diff --git a/config.json b/config.json
index 817ee0a69..1fca7ea40 100644
--- a/config.json
+++ b/config.json
@@ -2,761 +2,660 @@
   "language": "Clojure",
   "slug": "clojure",
   "active": true,
-  "status": {
-    "concept_exercises": false,
-    "test_runner": false,
-    "representer": false,
-    "analyzer": false
-  },
-  "blurb": "Clojure is a dynamic, general-purpose programming language. It combines the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming and the performance gains of compiling and running on the JVM. It is a lisp dialect that runs on the JVM, enabling the use of Java code side by side with Clojure.",
   "version": 3,
   "online_editor": {
     "indent_style": "space",
     "indent_size": 2
   },
+  "blurb": "Clojure is a dynamic, general-purpose programming language. It combines the approachability and interactive development of a scripting language with an efficient and robust infrastructure for multithreaded programming and the performance gains of compiling and running on the JVM. It is a lisp dialect that runs on the JVM, enabling the use of Java code side by side with Clojure.",
   "exercises": {
-    "concept": [
-      {
-        "slug": "lucians-luscious-lasagna",
-        "name": "Lucian's Luscious Lasagna",
-        "uuid": "0fbc4bd4-090e-445c-8a38-cf7ec290bfdd",
-        "concepts": [
-          "basics"
-        ],
-        "prerequisites": [],
-        "status": "wip"
-      },
-      {
-        "slug": "tracks-on-tracks-on-tracks",
-        "name": "Tracks on Tracks on Tracks",
-        "uuid": "0d05620f-3ef9-43aa-8e89-660187e090f3",
-        "concepts": [
-          "lists"
-        ],
-        "prerequisites": [
-          "basics"
-        ],
-        "status": "wip"
-      },
-      {
-        "slug": "bird-watcher",
-        "name": "Bird Watcher",
-        "uuid": "7904b7af-b872-46fe-8602-63038c1587bc",
-        "concepts": [
-          "vectors"
-        ],
-        "prerequisites": [
-          "basics"
-        ],
-        "status": "wip"
-      },
-      {
-        "slug": "cars-assemble",
-        "name": "Cars, Assemble!",
-        "uuid": "5f94668b-659b-444d-8c22-0768bca0cf5b",
-        "concepts": [
-          "numbers",
-          "conditionals"
-        ],
-        "prerequisites": [
-          "basics"
-        ],
-        "status": "wip"
-      },
-      {
-        "slug": "interest-is-interesting",
-        "name": "Interest is Interesting",
-        "uuid": "a7d01e5c-f48d-483b-939f-a71f1cf4a8d1",
-        "concepts": [
-          "floating-point-numbers"
-        ],
-        "prerequisites": [
-          "basics",
-          "numbers"
-        ],
-        "status": "wip"
-      },
-      {
-        "slug": "annalyns-infiltration",
-        "name": "Annalyn's Infiltration",
-        "uuid": "b5a2c1e5-3222-4265-b885-53871b2ce549",
-        "concepts": [
-          "booleans"
-        ],
-        "prerequisites": [
-          "basics"
-        ],
-        "status": "wip"
-      },
-      {
-        "slug": "log-levels",
-        "name": "Log Levels",
-        "uuid": "693e4ef3-bcf1-4b5f-8883-24d006164541",
-        "concepts": [
-          "strings"
-        ],
-        "prerequisites": [
-          "basics"
-        ],
-        "status": "wip"
-      }
-    ],
     "practice": [
-      {
-        "slug": "armstrong-numbers",
-        "name": "Armstrong Numbers",
-        "uuid": "a4bdbdfd-1db1-425c-a243-dd032dc7b93a",
-        "prerequisites": [],
-        "difficulty": 1,
-        "topics": [
-          "math"
-        ]
-      },
       {
         "slug": "hello-world",
-        "name": "Hello World",
         "uuid": "1378910d-9bec-4217-bd40-07a8967fa3ad",
-        "prerequisites": [],
-        "difficulty": 1,
-        "topics": null
-      },
-      {
-        "slug": "reverse-string",
-        "name": "Reverse String",
-        "uuid": "a8957cc5-d99e-4a31-9d49-4653226fd50b",
-        "prerequisites": [],
+        "core": false,
+        "auto_approve": true,
+        "unlocked_by": null,
         "difficulty": 1,
         "topics": null
       },
       {
         "slug": "two-fer",
-        "name": "Two Fer",
         "uuid": "91a1f32c-0dac-4c65-8a13-49da90d21520",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 1,
         "topics": null
       },
       {
-        "slug": "accumulate",
-        "name": "Accumulate",
-        "uuid": "73cdbbd8-04a6-42ba-aeea-1f1c8d53af70",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "reverse-string",
+        "uuid": "a8957cc5-d99e-4a31-9d49-4653226fd50b",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 1,
         "topics": null
       },
       {
-        "slug": "acronym",
-        "name": "Acronym",
-        "uuid": "e14a4261-c84f-417e-841e-29ff6f1f533d",
-        "prerequisites": [],
+        "slug": "bob",
+        "uuid": "d3bcad28-db03-4f6c-a85d-9f2d01331e88",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "all-your-base",
-        "name": "All Your Base",
-        "uuid": "b55eefa5-dce6-46fb-8c0e-4c476cc871ce",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "armstrong-numbers",
+        "uuid": "a4bdbdfd-1db1-425c-a243-dd032dc7b93a",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 1,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "anagram",
-        "name": "Anagram",
-        "uuid": "04ac2bd0-504c-4faa-912e-d2111b46123c",
-        "prerequisites": [],
+        "slug": "rna-transcription",
+        "uuid": "c2100dff-4d18-4fcb-9035-6c57eddd6d37",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "bob",
-        "name": "Bob",
-        "uuid": "d3bcad28-db03-4f6c-a85d-9f2d01331e88",
-        "prerequisites": [],
+        "slug": "run-length-encoding",
+        "uuid": "04a6c1d6-6cce-4c87-a34b-23fdd9baf70d",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "collatz-conjecture",
-        "name": "Collatz Conjecture",
-        "uuid": "c14ef548-c5f6-43a9-84e2-c7248705fc8e",
-        "prerequisites": [],
-        "difficulty": 2,
-        "topics": [
-          "math"
-        ]
+        "slug": "isbn-verifier",
+        "uuid": "e6411d18-d9b9-48fa-8ee6-0df8c13d3dee",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
+        "topics": null
       },
       {
-        "slug": "complex-numbers",
-        "name": "Complex Numbers",
-        "uuid": "95580d10-92db-4809-b5e7-4085319d19e9",
-        "prerequisites": [],
+        "slug": "word-count",
+        "uuid": "3ab74232-11f5-4efd-82ac-e7c4129c7ff4",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
-        "topics": [
-          "math"
-        ]
+        "topics": null
       },
       {
-        "slug": "etl",
-        "name": "Etl",
-        "uuid": "c51658c1-7cdb-4a45-8d4d-2a370b655362",
-        "prerequisites": [],
+        "slug": "anagram",
+        "uuid": "04ac2bd0-504c-4faa-912e-d2111b46123c",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "hamming",
-        "name": "Hamming",
-        "uuid": "60004bf0-e551-4bfc-bda9-49c5611811c4",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "say",
+        "uuid": "31aa2618-b971-44ff-9799-761fdec53b87",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "nth-prime",
-        "name": "Nth Prime",
-        "uuid": "d380de85-4d35-4342-9b88-7402deea2869",
-        "prerequisites": [],
+        "slug": "beer-song",
+        "uuid": "c14ef548-c5f6-43a9-84e2-c7238705fc8e",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
+        "topics": null
+      },
+      {
+        "slug": "collatz-conjecture",
+        "uuid": "c14ef548-c5f6-43a9-84e2-c7248705fc8e",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": [
           "math"
         ]
       },
+      {
+        "slug": "series",
+        "uuid": "c34af548-c5f6-43a9-84e2-c4166605fc8e",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
+        "topics": null
+      },
       {
         "slug": "nucleotide-count",
-        "name": "Nucleotide Count",
         "uuid": "66d97ae9-36ac-47c6-8b9f-e77ce498fc70",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "pangram",
-        "name": "Pangram",
-        "uuid": "398f65f2-2324-4b08-945d-a9fbd62d1a41",
-        "prerequisites": [],
+        "slug": "hamming",
+        "uuid": "60004bf0-e551-4bfc-bda9-49c5611811c4",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "pig-latin",
-        "name": "Pig Latin",
-        "uuid": "6768b55e-bab3-4e55-ac71-ddda0bd16298",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "phone-number",
+        "uuid": "84ce66e5-6091-4078-9921-c0b8ccabc86f",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "protein-translation",
-        "name": "Protein Translation",
-        "uuid": "c4b7120c-a7c5-4a39-a08e-8d4fb9861a27",
-        "prerequisites": [],
-        "difficulty": 2,
-        "topics": [
-          "pattern_matching",
-          "strings"
-        ]
+        "slug": "clock",
+        "uuid": "8e722baf-bbf9-445f-9adb-b21db88b5132",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 5,
+        "topics": null
       },
       {
-        "slug": "raindrops",
-        "name": "Raindrops",
-        "uuid": "c1113f92-df4d-4d04-865f-20b8b2c56205",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "grade-school",
+        "uuid": "f4cf3676-4399-4d1c-b21f-8e735c7af8cc",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "rna-transcription",
-        "name": "Rna Transcription",
-        "uuid": "c2100dff-4d18-4fcb-9035-6c57eddd6d37",
-        "prerequisites": [],
+        "slug": "complex-numbers",
+        "uuid": "95580d10-92db-4809-b5e7-4085319d19e9",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
-        "topics": null
+        "topics": [
+          "math"
+        ]
       },
       {
         "slug": "robot-name",
-        "name": "Robot Name",
         "uuid": "3ce7ad7d-61ef-4a71-b87a-8c1b45c758b6",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "roman-numerals",
-        "name": "Roman Numerals",
-        "uuid": "04d0369f-b0e5-4c00-a0f7-1b86eefba484",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "leap",
+        "uuid": "0cde8a62-412a-45cc-b16e-4b31057cab74",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "rotational-cipher",
-        "name": "Rotational Cipher",
-        "uuid": "622823dc-ee47-42a0-acc6-190de4541625",
-        "prerequisites": [],
+        "slug": "etl",
+        "uuid": "c51658c1-7cdb-4a45-8d4d-2a370b655362",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "run-length-encoding",
-        "name": "Run Length Encoding",
-        "uuid": "04a6c1d6-6cce-4c87-a34b-23fdd9baf70d",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "flatten-array",
+        "uuid": "11450b65-628d-4890-a668-7031de985f5c",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "scrabble-score",
-        "name": "Scrabble Score",
-        "uuid": "01afac67-ff81-432e-b2a0-63f4540f2eb5",
-        "prerequisites": [],
+        "slug": "sublist",
+        "uuid": "dabe93c3-038c-4c6f-8a2e-f50acf130b8f",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "secret-handshake",
-        "name": "Secret Handshake",
-        "uuid": "2cc37c2a-7e6c-49ba-8b30-2ff8c9d818c2",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "binary-search",
+        "uuid": "36f47cc4-0c5e-4edc-b109-c9e007b7b1f8",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "series",
-        "name": "Series",
-        "uuid": "c34af548-c5f6-43a9-84e2-c4166605fc8e",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "perfect-numbers",
+        "uuid": "097edd69-91b5-4a71-b197-a9c14b61c4ce",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
+        "topics": [
+          "math"
+        ]
+      },
+      {
+        "slug": "meetup",
+        "uuid": "1657cd1a-f3d8-475f-824f-31ba4d8e229a",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 4,
         "topics": null
       },
       {
         "slug": "space-age",
-        "name": "Space Age",
         "uuid": "735e991b-f736-4ca2-80db-f94e20aa2319",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "strain",
-        "name": "Strain",
-        "uuid": "ad08dcef-14f7-406d-b3a5-4b5aad37ebf1",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "grains",
+        "uuid": "27b44b76-5e4f-4711-bce0-869e372636dd",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "sublist",
-        "name": "Sublist",
-        "uuid": "dabe93c3-038c-4c6f-8a2e-f50acf130b8f",
-        "prerequisites": [],
-        "difficulty": 2,
+        "slug": "gigasecond",
+        "uuid": "23498ff3-310e-41b0-b15e-52fec2f2bfcb",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
-      {
-        "slug": "sum-of-multiples",
-        "name": "Sum Of Multiples",
-        "uuid": "a7e1d0a1-feb5-4a55-93c7-e7f81a39238c",
-        "prerequisites": [],
-        "difficulty": 2,
-        "topics": [
-          "math"
-        ]
-      },
       {
         "slug": "triangle",
-        "name": "Triangle",
         "uuid": "74f7eacd-d3de-4467-85b2-8590ba1f28ce",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "word-count",
-        "name": "Word Count",
-        "uuid": "3ab74232-11f5-4efd-82ac-e7c4129c7ff4",
-        "prerequisites": [],
+        "slug": "scrabble-score",
+        "uuid": "01afac67-ff81-432e-b2a0-63f4540f2eb5",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "atbash-cipher",
-        "name": "Atbash Cipher",
-        "uuid": "47266422-622e-4e20-b597-e85ab7bd3046",
-        "prerequisites": [],
-        "difficulty": 3,
-        "topics": null
-      },
-      {
-        "slug": "beer-song",
-        "name": "Beer Song",
-        "uuid": "c14ef548-c5f6-43a9-84e2-c7238705fc8e",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "roman-numerals",
+        "uuid": "04d0369f-b0e5-4c00-a0f7-1b86eefba484",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
         "slug": "binary",
-        "name": "Binary",
         "uuid": "4c59731d-165a-43e1-9917-16131dadbbac",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 3,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "binary-search",
-        "name": "Binary Search",
-        "uuid": "36f47cc4-0c5e-4edc-b109-c9e007b7b1f8",
-        "prerequisites": [],
-        "difficulty": 3,
-        "topics": null
-      },
-      {
-        "slug": "binary-search-tree",
-        "name": "Binary Search Tree",
-        "uuid": "62f3cbcb-2503-472f-9544-50e05e368949",
-        "prerequisites": [],
-        "difficulty": 3,
-        "topics": null
-      },
-      {
-        "slug": "change",
-        "name": "Change",
-        "uuid": "6fd886e5-94b0-4938-9f48-f4c6850027a0",
-        "prerequisites": [],
+        "slug": "trinary",
+        "uuid": "d32f41d4-e1b1-4daf-8ddc-a2ab9ee07c98",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 3,
-        "topics": null
+        "topics": [
+          "math"
+        ]
       },
       {
-        "slug": "flatten-array",
-        "name": "Flatten Array",
-        "uuid": "11450b65-628d-4890-a668-7031de985f5c",
-        "prerequisites": [],
-        "difficulty": 3,
-        "topics": null
+        "slug": "spiral-matrix",
+        "uuid": "d42g42d7-21b1-4daf-8ddc-a2ab9ee07c98",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 4,
+        "topics": [
+          "recursivity"
+        ]
       },
       {
-        "slug": "gigasecond",
-        "name": "Gigasecond",
-        "uuid": "23498ff3-310e-41b0-b15e-52fec2f2bfcb",
-        "prerequisites": [],
+        "slug": "prime-factors",
+        "uuid": "068a0997-d333-48cb-a82a-c5082e85115d",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 3,
-        "topics": null
+        "topics": [
+          "math"
+        ]
       },
       {
-        "slug": "grade-school",
-        "name": "Grade School",
-        "uuid": "f4cf3676-4399-4d1c-b21f-8e735c7af8cc",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "raindrops",
+        "uuid": "c1113f92-df4d-4d04-865f-20b8b2c56205",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "grains",
-        "name": "Grains",
-        "uuid": "27b44b76-5e4f-4711-bce0-869e372636dd",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "allergies",
+        "uuid": "810803c7-4480-4e11-b848-d56477ba9d08",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 4,
         "topics": null
       },
       {
-        "slug": "hexadecimal",
-        "name": "Hexadecimal",
-        "uuid": "8ede90b5-d1ad-41c3-8474-2ffaea39e7e4",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "octal",
+        "uuid": "db1a86fb-2f04-4afe-9e45-00b539c86b63",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 4,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "isbn-verifier",
-        "name": "Isbn Verifier",
-        "uuid": "e6411d18-d9b9-48fa-8ee6-0df8c13d3dee",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "strain",
+        "uuid": "ad08dcef-14f7-406d-b3a5-4b5aad37ebf1",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "isogram",
-        "name": "Isogram",
-        "uuid": "1fc5c2e9-2851-4735-8fde-612a8c054a5a",
-        "prerequisites": [],
+        "slug": "atbash-cipher",
+        "uuid": "47266422-622e-4e20-b597-e85ab7bd3046",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "kindergarten-garden",
-        "name": "Kindergarten Garden",
-        "uuid": "5288c0fb-a90d-4f71-b525-e9a7b687aaf2",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "bank-account",
+        "uuid": "e6848f52-a6b5-4669-9b50-beedfd3ebe2f",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 7,
         "topics": null
       },
       {
-        "slug": "leap",
-        "name": "Leap",
-        "uuid": "0cde8a62-412a-45cc-b16e-4b31057cab74",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "crypto-square",
+        "uuid": "8b90d4c5-0d53-4664-afba-c4ed1c865e77",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 4,
         "topics": null
       },
       {
         "slug": "pascals-triangle",
-        "name": "Pascals Triangle",
         "uuid": "9c8c4689-4990-4266-a02e-2dcb9fa32402",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 3,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "perfect-numbers",
-        "name": "Perfect Numbers",
-        "uuid": "097edd69-91b5-4a71-b197-a9c14b61c4ce",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "sum-of-multiples",
+        "uuid": "a7e1d0a1-feb5-4a55-93c7-e7f81a39238c",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "phone-number",
-        "name": "Phone Number",
-        "uuid": "84ce66e5-6091-4078-9921-c0b8ccabc86f",
-        "prerequisites": [],
-        "difficulty": 3,
-        "topics": null
-      },
-      {
-        "slug": "prime-factors",
-        "name": "Prime Factors",
-        "uuid": "068a0997-d333-48cb-a82a-c5082e85115d",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "sieve",
+        "uuid": "910adfb9-be3e-45ef-af4c-facba7825cfd",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 5,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "proverb",
-        "name": "Proverb",
-        "uuid": "c8ba6ce5-9a7e-4c1c-8044-bb18a0d6ad39",
-        "prerequisites": [],
-        "difficulty": 3,
+        "slug": "luhn",
+        "uuid": "5f62a862-f65e-4af0-a15d-5aa1fdb4f970",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 5,
         "topics": null
       },
       {
-        "slug": "say",
-        "name": "Say",
-        "uuid": "31aa2618-b971-44ff-9799-761fdec53b87",
-        "prerequisites": [],
+        "slug": "kindergarten-garden",
+        "uuid": "5288c0fb-a90d-4f71-b525-e9a7b687aaf2",
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "trinary",
-        "name": "Trinary",
-        "uuid": "d32f41d4-e1b1-4daf-8ddc-a2ab9ee07c98",
-        "prerequisites": [],
-        "difficulty": 3,
-        "topics": [
-          "math"
-        ]
+        "slug": "robot-simulator",
+        "uuid": "e4f94fe1-7258-4e55-94c8-756a8080f898",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 6,
+        "topics": null
       },
       {
-        "slug": "allergies",
-        "name": "Allergies",
-        "uuid": "810803c7-4480-4e11-b848-d56477ba9d08",
-        "prerequisites": [],
-        "difficulty": 4,
+        "slug": "queen-attack",
+        "uuid": "0bc807ef-60b8-49d9-9428-0060bc5517a9",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 7,
         "topics": null
       },
       {
-        "slug": "crypto-square",
-        "name": "Crypto Square",
-        "uuid": "8b90d4c5-0d53-4664-afba-c4ed1c865e77",
-        "prerequisites": [],
-        "difficulty": 4,
+        "slug": "accumulate",
+        "uuid": "73cdbbd8-04a6-42ba-aeea-1f1c8d53af70",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
+        "topics": null
+      },
+      {
+        "slug": "binary-search-tree",
+        "uuid": "62f3cbcb-2503-472f-9544-50e05e368949",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
         "slug": "difference-of-squares",
-        "name": "Difference Of Squares",
         "uuid": "254199d8-8add-470f-a8fc-8ec9ffc54dd1",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 4,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "dominoes",
-        "name": "Dominoes",
-        "uuid": "db6162c0-adff-401e-9dd6-a0322ca10dcf",
-        "prerequisites": [],
-        "difficulty": 4,
-        "topics": null
+        "slug": "hexadecimal",
+        "uuid": "8ede90b5-d1ad-41c3-8474-2ffaea39e7e4",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
+        "topics": [
+          "math"
+        ]
+      },
+      {
+        "slug": "all-your-base",
+        "uuid": "b55eefa5-dce6-46fb-8c0e-4c476cc871ce",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
+        "topics": [
+          "math"
+        ]
       },
       {
         "slug": "largest-series-product",
-        "name": "Largest Series Product",
         "uuid": "eec9ea9a-fa32-4ea2-831e-0caccbca208b",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 4,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "meetup",
-        "name": "Meetup",
-        "uuid": "1657cd1a-f3d8-475f-824f-31ba4d8e229a",
-        "prerequisites": [],
-        "difficulty": 4,
+        "slug": "pov",
+        "uuid": "ee9b837b-ea2f-4c77-9a3d-3d0007b9ae88",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 10,
         "topics": null
       },
       {
-        "slug": "octal",
-        "name": "Octal",
-        "uuid": "db1a86fb-2f04-4afe-9e45-00b539c86b63",
-        "prerequisites": [],
-        "difficulty": 4,
-        "topics": [
-          "math"
-        ]
+        "slug": "matching-brackets",
+        "uuid": "c8ebc25b-17b9-44a9-8cbe-df2c2eb6e2d6",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 7,
+        "topics": null
       },
       {
-        "slug": "spiral-matrix",
-        "name": "Spiral Matrix",
-        "uuid": "d42g42d7-21b1-4daf-8ddc-a2ab9ee07c98",
-        "prerequisites": [],
-        "difficulty": 4,
-        "topics": [
-          "recursivity"
-        ]
+        "slug": "minesweeper",
+        "uuid": "2d35d9b3-5cff-4e68-a861-1461b32e22ba",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 7,
+        "topics": null
       },
       {
-        "slug": "clock",
-        "name": "Clock",
-        "uuid": "8e722baf-bbf9-445f-9adb-b21db88b5132",
-        "prerequisites": [],
-        "difficulty": 5,
+        "slug": "change",
+        "uuid": "6fd886e5-94b0-4938-9f48-f4c6850027a0",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
-        "slug": "diamond",
-        "name": "Diamond",
-        "uuid": "f3971f71-08c9-4e36-a69e-5bd7fe070b07",
-        "prerequisites": [],
-        "difficulty": 5,
+        "slug": "pangram",
+        "uuid": "398f65f2-2324-4b08-945d-a9fbd62d1a41",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "luhn",
-        "name": "Luhn",
-        "uuid": "5f62a862-f65e-4af0-a15d-5aa1fdb4f970",
-        "prerequisites": [],
-        "difficulty": 5,
+        "slug": "wordy",
+        "uuid": "4a2033a7-5579-49ac-94d7-8693cee45381",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 6,
         "topics": null
       },
       {
-        "slug": "sieve",
-        "name": "Sieve",
-        "uuid": "910adfb9-be3e-45ef-af4c-facba7825cfd",
-        "prerequisites": [],
-        "difficulty": 5,
+        "slug": "isogram",
+        "uuid": "1fc5c2e9-2851-4735-8fde-612a8c054a5a",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
+        "topics": null
+      },
+      {
+        "slug": "acronym",
+        "uuid": "e14a4261-c84f-417e-841e-29ff6f1f533d",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
+        "topics": null
+      },
+      {
+        "slug": "nth-prime",
+        "uuid": "d380de85-4d35-4342-9b88-7402deea2869",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": [
           "math"
         ]
       },
       {
-        "slug": "robot-simulator",
-        "name": "Robot Simulator",
-        "uuid": "e4f94fe1-7258-4e55-94c8-756a8080f898",
-        "prerequisites": [],
-        "difficulty": 6,
+        "slug": "pig-latin",
+        "uuid": "6768b55e-bab3-4e55-ac71-ddda0bd16298",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "wordy",
-        "name": "Wordy",
-        "uuid": "4a2033a7-5579-49ac-94d7-8693cee45381",
-        "prerequisites": [],
-        "difficulty": 6,
+        "slug": "secret-handshake",
+        "uuid": "2cc37c2a-7e6c-49ba-8b30-2ff8c9d818c2",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "bank-account",
-        "name": "Bank Account",
-        "uuid": "e6848f52-a6b5-4669-9b50-beedfd3ebe2f",
-        "prerequisites": [],
-        "difficulty": 7,
+        "slug": "rotational-cipher",
+        "uuid": "622823dc-ee47-42a0-acc6-190de4541625",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
         "topics": null
       },
       {
-        "slug": "matching-brackets",
-        "name": "Matching Brackets",
-        "uuid": "c8ebc25b-17b9-44a9-8cbe-df2c2eb6e2d6",
-        "prerequisites": [],
-        "difficulty": 7,
+        "slug": "diamond",
+        "uuid": "f3971f71-08c9-4e36-a69e-5bd7fe070b07",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 5,
         "topics": null
       },
       {
-        "slug": "minesweeper",
-        "name": "Minesweeper",
-        "uuid": "2d35d9b3-5cff-4e68-a861-1461b32e22ba",
-        "prerequisites": [],
-        "difficulty": 7,
+        "slug": "protein-translation",
+        "uuid": "c4b7120c-a7c5-4a39-a08e-8d4fb9861a27",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 2,
+        "topics": [
+          "pattern_matching",
+          "strings"
+        ]
+      },
+      {
+        "slug": "proverb",
+        "uuid": "c8ba6ce5-9a7e-4c1c-8044-bb18a0d6ad39",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 3,
         "topics": null
       },
       {
         "slug": "poker",
-        "name": "Poker",
         "uuid": "7df7ff1c-74ab-4f4e-aaf0-257b6e1cbc18",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 7,
         "topics": null
       },
       {
-        "slug": "queen-attack",
-        "name": "Queen Attack",
-        "uuid": "0bc807ef-60b8-49d9-9428-0060bc5517a9",
-        "prerequisites": [],
-        "difficulty": 7,
+        "slug": "dominoes",
+        "uuid": "db6162c0-adff-401e-9dd6-a0322ca10dcf",
+        "core": false,
+        "unlocked_by": null,
+        "difficulty": 4,
         "topics": null
       },
       {
         "slug": "go-counting",
-        "name": "Go Counting",
         "uuid": "987438e8-1db3-447a-a243-e67c7591709d",
-        "prerequisites": [],
+        "core": false,
+        "unlocked_by": null,
         "difficulty": 9,
         "topics": null
-      },
-      {
-        "slug": "pov",
-        "name": "Pov",
-        "uuid": "ee9b837b-ea2f-4c77-9a3d-3d0007b9ae88",
-        "prerequisites": [],
-        "difficulty": 10,
-        "topics": null
       }
     ]
-  },
-  "concepts": [
-    {
-      "uuid": "33947666-6176-4ab6-825f-08b689c8040d",
-      "slug": "lists",
-      "name": "Lists",
-      "blurb": "TODO: add blurb for lists concept"
-    }
-  ],
-  "key_features": [],
-  "tags": []
+  }
 }