diff --git a/build/biome.rs b/build/biome.rs
new file mode 100644
index 000000000..1845cddb7
--- /dev/null
+++ b/build/biome.rs
@@ -0,0 +1,302 @@
+use std::collections::{BTreeMap, HashMap};
+
+use heck::{ToPascalCase, ToSnakeCase};
+use proc_macro2::{Ident, TokenStream};
+use quote::quote;
+use serde::Deserialize;
+
+use crate::ident;
+
+#[derive(Deserialize, Debug)]
+struct ParsedBiome {
+    id: u16,
+    name: String,
+    climate: ParsedBiomeClimate,
+    color: ParsedBiomeColor,
+    spawn_settings: ParsedBiomeSpawnRates,
+}
+
+#[derive(Debug)]
+struct RenamedBiome {
+    id: u16,
+    name: String,
+    rustified_name: Ident,
+    climate: ParsedBiomeClimate,
+    color: ParsedBiomeColor,
+    spawn_rates: ParsedBiomeSpawnRates,
+}
+
+#[derive(Deserialize, Debug)]
+struct ParsedBiomeClimate {
+    precipitation: String,
+    temperature: f32,
+    downfall: f32,
+}
+
+#[derive(Deserialize, Debug)]
+struct ParsedBiomeColor {
+    grass_modifier: String,
+    grass: Option<u32>,
+    foliage: Option<u32>,
+    fog: u32,
+    sky: u32,
+    water_fog: u32,
+    water: u32,
+}
+
+#[derive(Deserialize, Debug)]
+struct ParsedBiomeSpawnRates {
+    probability: f32,
+    groups: HashMap<String, Vec<ParsedSpawnRate>>,
+}
+
+#[derive(Deserialize, Debug)]
+struct ParsedSpawnRate {
+    name: String,
+    min_group_size: u32,
+    max_group_size: u32,
+    weight: i32,
+}
+
+pub fn build() -> anyhow::Result<TokenStream> {
+    let biomes: Vec<ParsedBiome> = serde_json::from_str(include_str!("../extracted/biomes.json"))?;
+
+    let biomes = biomes
+        .into_iter()
+        .map(|biome| RenamedBiome {
+            id: biome.id,
+            rustified_name: ident(&biome.name.replace("minecraft:", "").to_pascal_case()),
+            name: biome.name,
+            climate: biome.climate,
+            color: biome.color,
+            spawn_rates: biome.spawn_settings,
+        })
+        .collect::<Vec<RenamedBiome>>();
+
+    let mut precipitation_types = BTreeMap::<&str, Ident>::new();
+    let mut grass_modifier_types = BTreeMap::<&str, Ident>::new();
+    let mut class_spawn_fields = BTreeMap::<&str, Ident>::new();
+    for biome in biomes.iter() {
+        precipitation_types
+            .entry(biome.climate.precipitation.as_str())
+            .or_insert_with(|| ident(biome.climate.precipitation.to_pascal_case()));
+        grass_modifier_types
+            .entry(biome.color.grass_modifier.as_str())
+            .or_insert_with(|| ident(biome.color.grass_modifier.to_pascal_case()));
+        for class in biome.spawn_rates.groups.keys() {
+            class_spawn_fields
+                .entry(class)
+                .or_insert_with(|| ident(class.to_snake_case()));
+        }
+    }
+
+    fn option_to_quote<T: quote::ToTokens>(input: &Option<T>) -> TokenStream {
+        match input {
+            Some(value) => quote!(Some(#value)),
+            None => quote!(None),
+        }
+    }
+
+    let biome_kind_definitions = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let id = biome.id as isize;
+            quote! {
+                #rustified_name = #id,
+            }
+        })
+        .collect::<TokenStream>();
+
+    let biomekind_id_to_variant_lookup = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let id = &biome.id;
+            quote! {
+                #id => Some(Self::#rustified_name),
+            }
+        })
+        .collect::<TokenStream>();
+
+    let biomekind_name_lookup = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let name = &biome.name;
+            quote! {
+                #name => Some(Self::#rustified_name),
+            }
+        })
+        .collect::<TokenStream>();
+
+    let biomekind_temperatures_arms = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let temp = &biome.climate.temperature;
+            quote! {
+                Self::#rustified_name => #temp,
+            }
+        })
+        .collect::<TokenStream>();
+
+    let biomekind_downfall_arms = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let downfall = &biome.climate.downfall;
+            quote! {
+                Self::#rustified_name => #downfall,
+            }
+        })
+        .collect::<TokenStream>();
+
+    let biomekind_to_biome = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let name = &biome.name;
+            let precipitation = ident(&biome.climate.precipitation.to_pascal_case());
+            let sky_color = &biome.color.sky;
+            let water_fog = &biome.color.water_fog;
+            let fog = &biome.color.fog;
+            let water_color = &biome.color.water;
+            let foliage_color = option_to_quote(&biome.color.foliage);
+            let grass_color = option_to_quote(&biome.color.grass);
+            let grass_modifier = ident(&biome.color.grass_modifier.to_pascal_case());
+            quote! {
+                Self::#rustified_name => Ok(Biome{
+                    name: Ident::from_str(#name)?,
+                    precipitation: BiomePrecipitation::#precipitation,
+                    sky_color: #sky_color,
+                    water_fog_color: #water_fog,
+                    fog_color: #fog,
+                    water_color: #water_color,
+                    foliage_color: #foliage_color,
+                    grass_color: #grass_color,
+                    grass_color_modifier: BiomeGrassColorModifier::#grass_modifier,
+                    music: None,
+                    ambient_sound: None,
+                    additions_sound: None,
+                    mood_sound: None,
+                    particle: None,
+                }),
+            }
+        })
+        .collect::<TokenStream>();
+
+    let biomekind_spawn_settings_arms = biomes
+        .iter()
+        .map(|biome| {
+            let rustified_name = &biome.rustified_name;
+            let probability = biome.spawn_rates.probability;
+
+            let fields = biome.spawn_rates.groups.iter().map(|(class, rates)| {
+                let rates = rates.iter().map(|spawn_rate| {
+                    let name = &spawn_rate.name;
+                    let min_group_size = &spawn_rate.min_group_size;
+                    let max_group_size = &spawn_rate.max_group_size;
+                    let weight = &spawn_rate.weight;
+                    quote! {
+                        SpawnProperty {
+                            name: #name,
+                            min_group_size: #min_group_size,
+                            max_group_size: #max_group_size,
+                            weight: #weight
+                        }
+                    }
+                });
+                let class = ident(class);
+                quote! {
+                    #class: &[#( #rates ),*]
+                }
+            });
+            quote! {
+                Self::#rustified_name => SpawnSettings {
+                    probability: #probability,
+                    #( #fields ),*
+                },
+            }
+        })
+        .collect::<TokenStream>();
+
+    let spawn_classes = class_spawn_fields.values();
+
+    Ok(quote! {
+        use super::{Biome,BiomeGrassColorModifier,BiomePrecipitation};
+        use crate::ident::{Ident,IdentError};
+        use std::str::FromStr;
+
+        #[derive(Debug, Clone, PartialEq, PartialOrd)]
+        pub struct SpawnProperty {
+            pub name: &'static str,
+            pub min_group_size: u32,
+            pub max_group_size: u32,
+            pub weight: i32
+        }
+
+        #[derive(Debug, Clone, PartialEq, PartialOrd)]
+        pub struct SpawnSettings {
+            pub probability: f32,
+            #( pub #spawn_classes: &'static [SpawnProperty] ),*
+        }
+
+        #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
+        pub enum BiomeKind {
+            #biome_kind_definitions
+        }
+
+        impl BiomeKind {
+            /// Constructs an `BiomeKind` from a raw biome ID.
+            ///
+            /// If the given ID is invalid, `None` is returned.
+            pub const fn from_raw(id: u16) -> Option<Self> {
+                match id {
+                    #biomekind_id_to_variant_lookup
+                    _ => None
+                }
+            }
+
+            /// Returns the raw biome ID.
+            pub const fn to_raw(self) -> u16 {
+                self as u16
+            }
+
+            pub fn from_ident<S: AsRef<str>>(ident: &Ident<S>) -> Option<Self> {
+                if ident.namespace() != "minecraft"{
+                    return None;
+                }
+                match ident.path() {
+                    #biomekind_name_lookup
+                    _ => None
+                }
+            }
+
+            pub fn biome(self) -> Result<Biome, IdentError<String>> {
+                match self{
+                    #biomekind_to_biome
+                }
+            }
+
+            /// Gets the biome spawn rates
+            pub const fn spawn_rates(self) -> SpawnSettings {
+                match self{
+                    #biomekind_spawn_settings_arms
+                }
+            }
+
+            pub const fn temperature(self) -> f32 {
+                match self{
+                    #biomekind_temperatures_arms
+                }
+            }
+
+            pub const fn downfall(self) -> f32 {
+                match self{
+                    #biomekind_downfall_arms
+                }
+            }
+        }
+    })
+}
diff --git a/build/main.rs b/build/main.rs
index d098a37ec..89e1d1f80 100644
--- a/build/main.rs
+++ b/build/main.rs
@@ -5,6 +5,7 @@ use std::{env, fs};
 use anyhow::Context;
 use proc_macro2::{Ident, Span};
 
+mod biome;
 mod block;
 mod enchant;
 mod entity;
@@ -20,6 +21,7 @@ pub fn main() -> anyhow::Result<()> {
         (block::build, "block.rs"),
         (item::build, "item.rs"),
         (enchant::build, "enchant.rs"),
+        (biome::build, "biome.rs"),
     ];
 
     let out_dir = env::var_os("OUT_DIR").context("can't get OUT_DIR env var")?;
diff --git a/extracted/biomes.json b/extracted/biomes.json
new file mode 100644
index 000000000..e0571e5d8
--- /dev/null
+++ b/extracted/biomes.json
@@ -0,0 +1,6537 @@
+[
+  {
+    "name": "the_void",
+    "id": 0,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 8103167,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "plains",
+    "id": 1,
+    "climate": {
+      "precipitation": "rain",
+      "temperature": 0.8,
+      "downfall": 0.4
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 7907327,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "spider",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "zombie",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          },
+          {
+            "name": "zombie_villager",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "skeleton",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "creeper",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "slime",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 1,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "witch",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          }
+        ],
+        "creature": [
+          {
+            "name": "sheep",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 12
+          },
+          {
+            "name": "pig",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "chicken",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "cow",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 8
+          },
+          {
+            "name": "horse",
+            "min_group_size": 2,
+            "max_group_size": 6,
+            "weight": 5
+          },
+          {
+            "name": "donkey",
+            "min_group_size": 1,
+            "max_group_size": 3,
+            "weight": 1
+          }
+        ],
+        "ambient": [
+          {
+            "name": "bat",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 10
+          }
+        ],
+        "axolotls": [],
+        "underground_water_creature": [
+          {
+            "name": "glow_squid",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "sunflower_plains",
+    "id": 2,
+    "climate": {
+      "precipitation": "rain",
+      "temperature": 0.8,
+      "downfall": 0.4
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 7907327,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "spider",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "zombie",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          },
+          {
+            "name": "zombie_villager",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "skeleton",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "creeper",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "slime",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 1,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "witch",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          }
+        ],
+        "creature": [
+          {
+            "name": "sheep",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 12
+          },
+          {
+            "name": "pig",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "chicken",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "cow",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 8
+          },
+          {
+            "name": "horse",
+            "min_group_size": 2,
+            "max_group_size": 6,
+            "weight": 5
+          },
+          {
+            "name": "donkey",
+            "min_group_size": 1,
+            "max_group_size": 3,
+            "weight": 1
+          }
+        ],
+        "ambient": [
+          {
+            "name": "bat",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 10
+          }
+        ],
+        "axolotls": [],
+        "underground_water_creature": [
+          {
+            "name": "glow_squid",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "snowy_plains",
+    "id": 3,
+    "climate": {
+      "precipitation": "snow",
+      "temperature": 0.0,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 8364543,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.07,
+      "groups": {
+        "monster": [
+          {
+            "name": "spider",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "zombie",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          },
+          {
+            "name": "zombie_villager",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "skeleton",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 20
+          },
+          {
+            "name": "creeper",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "slime",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 1,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "witch",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "stray",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 80
+          }
+        ],
+        "creature": [
+          {
+            "name": "rabbit",
+            "min_group_size": 2,
+            "max_group_size": 3,
+            "weight": 10
+          },
+          {
+            "name": "polar_bear",
+            "min_group_size": 1,
+            "max_group_size": 2,
+            "weight": 1
+          }
+        ],
+        "ambient": [
+          {
+            "name": "bat",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 10
+          }
+        ],
+        "axolotls": [],
+        "underground_water_creature": [
+          {
+            "name": "glow_squid",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "ice_spikes",
+    "id": 4,
+    "climate": {
+      "precipitation": "snow",
+      "temperature": 0.0,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 8364543,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.07,
+      "groups": {
+        "monster": [
+          {
+            "name": "spider",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "zombie",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          },
+          {
+            "name": "zombie_villager",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "skeleton",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 20
+          },
+          {
+            "name": "creeper",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "slime",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 1,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "witch",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
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+            "name": "bat",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 10
+          }
+        ],
+        "axolotls": [],
+        "underground_water_creature": [
+          {
+            "name": "glow_squid",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "dripstone_caves",
+    "id": 50,
+    "climate": {
+      "precipitation": "rain",
+      "temperature": 0.8,
+      "downfall": 0.4
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 7907327,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "spider",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "zombie",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          },
+          {
+            "name": "zombie_villager",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "skeleton",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "creeper",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "slime",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 1,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "witch",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "drowned",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          }
+        ],
+        "creature": [],
+        "ambient": [
+          {
+            "name": "bat",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 10
+          }
+        ],
+        "axolotls": [],
+        "underground_water_creature": [
+          {
+            "name": "glow_squid",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "lush_caves",
+    "id": 51,
+    "climate": {
+      "precipitation": "rain",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 8103167,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "spider",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "zombie",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 95
+          },
+          {
+            "name": "zombie_villager",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          },
+          {
+            "name": "skeleton",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "creeper",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "slime",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 1,
+            "max_group_size": 4,
+            "weight": 10
+          },
+          {
+            "name": "witch",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 5
+          }
+        ],
+        "creature": [],
+        "ambient": [
+          {
+            "name": "bat",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 10
+          }
+        ],
+        "axolotls": [
+          {
+            "name": "axolotl",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "underground_water_creature": [
+          {
+            "name": "glow_squid",
+            "min_group_size": 4,
+            "max_group_size": 6,
+            "weight": 10
+          }
+        ],
+        "water_creature": [],
+        "water_ambient": [
+          {
+            "name": "tropical_fish",
+            "min_group_size": 8,
+            "max_group_size": 8,
+            "weight": 25
+          }
+        ],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "deep_dark",
+    "id": 52,
+    "climate": {
+      "precipitation": "rain",
+      "temperature": 0.8,
+      "downfall": 0.4
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 12638463,
+      "sky": 7907327,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "nether_wastes",
+    "id": 53,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 2.0,
+      "downfall": 0.0
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 3344392,
+      "sky": 7254527,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "ghast",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 50
+          },
+          {
+            "name": "zombified_piglin",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 100
+          },
+          {
+            "name": "magma_cube",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 2
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 1
+          },
+          {
+            "name": "piglin",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 15
+          }
+        ],
+        "creature": [
+          {
+            "name": "strider",
+            "min_group_size": 1,
+            "max_group_size": 2,
+            "weight": 60
+          }
+        ],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "warped_forest",
+    "id": 54,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 2.0,
+      "downfall": 0.0
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 1705242,
+      "sky": 7254527,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 1
+          }
+        ],
+        "creature": [
+          {
+            "name": "strider",
+            "min_group_size": 1,
+            "max_group_size": 2,
+            "weight": 60
+          }
+        ],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "crimson_forest",
+    "id": 55,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 2.0,
+      "downfall": 0.0
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 3343107,
+      "sky": 7254527,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "zombified_piglin",
+            "min_group_size": 2,
+            "max_group_size": 4,
+            "weight": 1
+          },
+          {
+            "name": "hoglin",
+            "min_group_size": 3,
+            "max_group_size": 4,
+            "weight": 9
+          },
+          {
+            "name": "piglin",
+            "min_group_size": 3,
+            "max_group_size": 4,
+            "weight": 5
+          }
+        ],
+        "creature": [
+          {
+            "name": "strider",
+            "min_group_size": 1,
+            "max_group_size": 2,
+            "weight": 60
+          }
+        ],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "soul_sand_valley",
+    "id": 56,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 2.0,
+      "downfall": 0.0
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 1787717,
+      "sky": 7254527,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "skeleton",
+            "min_group_size": 5,
+            "max_group_size": 5,
+            "weight": 20
+          },
+          {
+            "name": "ghast",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 50
+          },
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 1
+          }
+        ],
+        "creature": [
+          {
+            "name": "strider",
+            "min_group_size": 1,
+            "max_group_size": 2,
+            "weight": 60
+          }
+        ],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "basalt_deltas",
+    "id": 57,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 2.0,
+      "downfall": 0.0
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 6840176,
+      "sky": 7254527,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "ghast",
+            "min_group_size": 1,
+            "max_group_size": 1,
+            "weight": 40
+          },
+          {
+            "name": "magma_cube",
+            "min_group_size": 2,
+            "max_group_size": 5,
+            "weight": 100
+          }
+        ],
+        "creature": [
+          {
+            "name": "strider",
+            "min_group_size": 1,
+            "max_group_size": 2,
+            "weight": 60
+          }
+        ],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "the_end",
+    "id": 58,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 10518688,
+      "sky": 0,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          }
+        ],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "end_highlands",
+    "id": 59,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 10518688,
+      "sky": 0,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          }
+        ],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "end_midlands",
+    "id": 60,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 10518688,
+      "sky": 0,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          }
+        ],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "small_end_islands",
+    "id": 61,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 10518688,
+      "sky": 0,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          }
+        ],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  },
+  {
+    "name": "end_barrens",
+    "id": 62,
+    "climate": {
+      "precipitation": "none",
+      "temperature": 0.5,
+      "downfall": 0.5
+    },
+    "color": {
+      "grass": null,
+      "grass_modifier": "none",
+      "foliage": null,
+      "fog": 10518688,
+      "sky": 0,
+      "water_fog": 329011,
+      "water": 4159204
+    },
+    "spawn_settings": {
+      "probability": 0.1,
+      "groups": {
+        "monster": [
+          {
+            "name": "enderman",
+            "min_group_size": 4,
+            "max_group_size": 4,
+            "weight": 10
+          }
+        ],
+        "creature": [],
+        "ambient": [],
+        "axolotls": [],
+        "underground_water_creature": [],
+        "water_creature": [],
+        "water_ambient": [],
+        "misc": []
+      }
+    }
+  }
+]
\ No newline at end of file
diff --git a/extractor/src/main/java/rs/valence/extractor/Main.java b/extractor/src/main/java/rs/valence/extractor/Main.java
index 4990c4d9a..97f52f1ea 100644
--- a/extractor/src/main/java/rs/valence/extractor/Main.java
+++ b/extractor/src/main/java/rs/valence/extractor/Main.java
@@ -37,7 +37,7 @@ public static <T> T magicallyInstantiate(Class<T> clazz) {
     public void onInitialize() {
         LOGGER.info("Starting extractors...");
 
-        var extractors = new Extractor[]{new Blocks(), new Entities(), new EntityData(), new Packets(), new Items(), new Enchants()};
+        var extractors = new Extractor[]{new Blocks(), new Entities(), new EntityData(), new Packets(), new Items(), new Enchants(), new Biomes()};
 
         Path outputDirectory;
         try {
diff --git a/extractor/src/main/java/rs/valence/extractor/extractors/Biomes.java b/extractor/src/main/java/rs/valence/extractor/extractors/Biomes.java
new file mode 100644
index 000000000..c078e08e2
--- /dev/null
+++ b/extractor/src/main/java/rs/valence/extractor/extractors/Biomes.java
@@ -0,0 +1,96 @@
+package rs.valence.extractor.extractors;
+
+import com.google.gson.*;
+import net.minecraft.entity.SpawnGroup;
+import net.minecraft.util.collection.Weighted;
+import net.minecraft.util.registry.BuiltinRegistries;
+import net.minecraft.util.registry.Registry;
+import rs.valence.extractor.Main;
+
+import java.util.Optional;
+
+public class Biomes implements Main.Extractor {
+    public Biomes() {
+    }
+
+    @SuppressWarnings("OptionalUsedAsFieldOrParameterType")
+    private static <T> JsonElement optional_to_json(Optional<T> var) {
+        if (var.isEmpty()) {
+            return JsonNull.INSTANCE;
+        } else {
+            var value = var.get();
+            if (value instanceof Boolean b) {
+                return new JsonPrimitive(b);
+            } else if (value instanceof Integer i) {
+                return new JsonPrimitive(i);
+            } else if (value instanceof Float f) {
+                return new JsonPrimitive(f);
+            } else if (value instanceof Long l) {
+                return new JsonPrimitive(l);
+            } else if (value instanceof Number n) {
+                return new JsonPrimitive(n);
+            } else {
+                throw new UnsupportedOperationException("Could not convert " + value + " to primitive (" + value.getClass().toString() + ")");
+            }
+        }
+    }
+
+    @Override
+    public String fileName() {
+        return "biomes.json";
+    }
+
+    @Override
+    public JsonElement extract() {
+        var biomesJson = new JsonArray();
+
+        for (var biome : BuiltinRegistries.BIOME) {
+            var biomeIdent = BuiltinRegistries.BIOME.getId(biome);
+
+            var climateJson = new JsonObject();
+            climateJson.addProperty("precipitation", biome.getPrecipitation().getName());
+            climateJson.addProperty("temperature", biome.getTemperature());
+            climateJson.addProperty("downfall", biome.getDownfall());
+
+            var colorJson = new JsonObject();
+            var biomeEffects = biome.getEffects();
+            colorJson.add("grass", optional_to_json(biomeEffects.getGrassColor()));
+            colorJson.addProperty("grass_modifier", biomeEffects.getGrassColorModifier().getName());
+            colorJson.add("foliage", optional_to_json(biomeEffects.getFoliageColor()));
+            colorJson.addProperty("fog", biomeEffects.getFogColor());
+            colorJson.addProperty("sky", biomeEffects.getSkyColor());
+            colorJson.addProperty("water_fog", biomeEffects.getWaterFogColor());
+            colorJson.addProperty("water", biomeEffects.getWaterColor());
+
+            var spawnSettingsJson = new JsonObject();
+            var spawnSettings = biome.getSpawnSettings();
+            spawnSettingsJson.addProperty("probability", spawnSettings.getCreatureSpawnProbability());
+
+            var spawnGroupsJson = new JsonObject();
+            for (var spawnGroup : SpawnGroup.values()) {
+                var spawnGroupJson = new JsonArray();
+                for (var entry : spawnSettings.getSpawnEntries(spawnGroup).getEntries()) {
+                    var groupEntryJson = new JsonObject();
+                    groupEntryJson.addProperty("name", Registry.ENTITY_TYPE.getId(entry.type).getPath());
+                    groupEntryJson.addProperty("min_group_size", entry.minGroupSize);
+                    groupEntryJson.addProperty("max_group_size", entry.maxGroupSize);
+                    groupEntryJson.addProperty("weight", ((Weighted) entry).getWeight().getValue());
+                    spawnGroupJson.add(groupEntryJson);
+                }
+                spawnGroupsJson.add(spawnGroup.getName(), spawnGroupJson);
+            }
+            spawnSettingsJson.add("groups", spawnGroupsJson);
+
+            var biomeJson = new JsonObject();
+            biomeJson.addProperty("name", biomeIdent.getPath());
+            biomeJson.addProperty("id", BuiltinRegistries.BIOME.getRawId(biome));
+            biomeJson.add("climate", climateJson);
+            biomeJson.add("color", colorJson);
+            biomeJson.add("spawn_settings", spawnSettingsJson);
+
+            biomesJson.add(biomeJson);
+        }
+
+        return biomesJson;
+    }
+}
diff --git a/src/biome.rs b/src/biome.rs
index 8be59a5be..3923f4051 100644
--- a/src/biome.rs
+++ b/src/biome.rs
@@ -8,6 +8,16 @@ use valence_nbt::{compound, Compound};
 use crate::ident;
 use crate::ident::Ident;
 
+pub mod default {
+    //! Contains data for the default Minecraft biomes.
+    //!
+    //! All biome variants are located in [`BiomeKind`]. You can use the
+    //! associated const functions of [`BiomeKind`] to access details about a
+    //! biome type.
+
+    include!(concat!(env!("OUT_DIR"), "/biome.rs"));
+}
+
 /// Identifies a particular [`Biome`] on the server.
 ///
 /// The default biome ID refers to the first biome added in the server's