diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 1823745..bfc8ffd 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -47,11 +47,12 @@ jobs:
 
   pytest:
     name: Run Pytest
-    runs-on: ubuntu-latest
     if: "!contains(github.event.head_commit.message, 'Bump version')"
     strategy:
       matrix:
-        python-version: ['3.10']
+        python-version: [ '3.10' ]
+        os: [ 'ubuntu-latest', 'macos-latest' ]
+    runs-on: ${{ matrix.os }}
     steps:
     - name: actions/checkout
       uses: actions/checkout@v3
@@ -64,29 +65,64 @@ jobs:
       uses: eifinger/setup-rye@v4
       with:
         enable-cache: true
-        cache-prefix: ubuntu-latest-rye-test-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}
+        cache-prefix: ${{ matrix.os }}-latest-rye-test-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}
     - name: actions/cache
       uses: actions/cache@v3
       with:
         path: ${{ env.LOCAL_CACHE }}
-        key: ubuntu-latest-system-test-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}
-        restore-keys: ubuntu-latest-system-test
-    - name: Install test and package dependencies
+        key: ${{ matrix.os }}-latest-system-test-${{ matrix.python-version }}-${{ hashFiles('pyproject.toml') }}
+        restore-keys: ${{ matrix.os }}-latest-system-test-${{ matrix.python-version }}
+
+    - name: Install Ubuntu test and package dependencies
+      if: ${{ matrix.os == 'ubuntu-latest' }}
+      run: |
+        set -x
+        sudo apt-get install -y xvfb libglu1-mesa
+        rye pin --relaxed cpython@${{ matrix.python-version }}
+        rye sync --all-features
+        ROM_PASSWORD=${{ secrets.ROM_PASSWORD }} rye run import-roms
+
+    - name: Install MacOS test and package dependencies
+      if: ${{ matrix.os == 'macos-latest' }}
       run: |
         set -x
-        sudo apt-get install -y xvfb -y
-        sudo MUJOCO_PATH=/home/runner/.mujoco/ make install-envs
+        brew install --cask xquartz
+        brew install swig libzip qt5 capnp
+        chmod +x install-lua-macos.sh
+        sudo ./install-lua-macos.sh
+        # https://docs.github.com/en/actions/learn-github-actions/workflow-commands-for-github-actions#adding-a-system-path
+        echo "/opt/X11/bin" >> $GITHUB_PATH  
+        # https://github.com/ponty/PyVirtualDisplay/issues/42
+        if [ ! -d /tmp/.X11-unix ]; then
+          mkdir /tmp/.X11-unix
+        fi
+        sudo chmod 1777 /tmp/.X11-unix
+        sudo chown root /tmp/.X11-unix
+        echo 'export PATH="/opt/homebrew/opt/qt@5/bin:$PATH"' >> ~/.zshrc
+        export SDKROOT=$(xcrun --sdk macosx --show-sdk-path)
         rye pin --relaxed cpython@${{ matrix.python-version }}
         rye sync --all-features
-        ROM_PASSWORD=${{ secrets.ROM_PASSWORD }} make import-roms
+        # rye sync --features=ray,box_2d,atari,classic-control,test
+        # Fix a bug in retro
+        sed -i '' 's/VERSION\.txt/VERSION/g' /Users/runner/work/plangym/plangym/.venv/lib/python3.10/site-packages/retro/__init__.py
+        echo "0.9.1" > /Users/runner/work/plangym/plangym/.venv/lib/python3.10/site-packages/retro/VERSION
+        ROM_PASSWORD=${{ secrets.ROM_PASSWORD }} rye run import-roms
+
+    - name: Run Pytest on MacOS
+      if: ${{ matrix.os == 'macos-latest' }}
+      run: |
+        set -x
+        SKIP_RENDER=True rye run pytest tests/control tests/test_core.py
 
-    - name: Test with pytest
+    - name: Run code coverage on Ubuntu
+      if: ${{ matrix.os == 'ubuntu-latest' }}
       run: |
         set -x
         xvfb-run -s "-screen 0 1400x900x24" rye run codecov
 
     - name: Upload coverage report
-      if: ${{ matrix.python-version=='3.10' }}
+ #     if: ${{ matrix.python-version == '3.10' && matrix.os == 'ubuntu-latest' }}
+      if: ${{ matrix.os == 'ubuntu-latest' }}
       uses: codecov/codecov-action@v4
       with:
         fail_ci_if_error: false # optional (default = false)
diff --git a/.gitignore b/.gitignore
index c6a5811..3f67a48 100644
--- a/.gitignore
+++ b/.gitignore
@@ -61,6 +61,7 @@ htmlcov/
 .cache
 nosetests.xml
 coverage.xml
+coverage_parallel.xml
 *.cover
 .hypothesis/
 
diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index fd7b8c9..7aa6eb8 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -15,6 +15,7 @@ build:
     # golang: "1.20"
   apt_packages:
     - build-essential
+    - libglu1-mesa
     - xvfb
     - clang
     - swig
diff --git a/install-lua-macos.sh b/install-lua-macos.sh
new file mode 100644
index 0000000..0d381ab
--- /dev/null
+++ b/install-lua-macos.sh
@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# This scripts installs Lua, LuaRocks, and some Lua libraries on macOS.
+# The main purpose is to install Busted for testing Neovim plugins.
+# After the installation, you will be able to run test using busted:
+#   busted --lua nlua spec/mytest_spec.lua
+
+################################################################################
+# Dependencies
+################################################################################
+
+xcode-select --install
+
+# Lua Directory: where Lua and Luarocks will be installed
+# You can change installation location by changing this variable
+LUA_DIR="$HOME/Developer/lua"
+
+mkdir -p $LUA_DIR
+
+################################################################################
+# Lua
+################################################################################
+
+# Download and Extract Lua Sources
+cd /tmp
+rm -rf lua-5.1.5.*
+wget https://www.lua.org/ftp/lua-5.1.5.tar.gz
+LUA_SHA='2640fc56a795f29d28ef15e13c34a47e223960b0240e8cb0a82d9b0738695333'
+shasum -a 256 lua-5.1.5.tar.gz | grep -q $LUA_SHA && echo "Hash matches" || echo "Hash don't match"
+tar xvf lua-5.1.5.tar.gz
+cd lua-5.1.5/
+
+# Modify Makefile to set destination dir
+sed -i '' "s#/usr/local#${LUA_DIR}/#g" Makefile
+
+# Compile and install Lua
+make macosx
+make test && make install
+
+# Export PATHs
+export PATH="$PATH:$LUA_DIR/bin"
+export LUA_CPATH="$LUA_DIR/lib/lua/5.1/?.so"
+export LUA_PATH="$LUA_DIR/share/lua/5.1/?.lua;;"
+export MANPATH="$LUA_DIR/share/man:$MANPATH"
+
+# Verify Lua Installation
+which lua
+echo "Expected Output:"
+echo "  ${LUA_DIR}/bin/lua"
+lua -v
+echo 'Expected Output:'
+echo '  Lua 5.1.5  Copyright (C) 1994-2012 Lua.org, PUC-Rio'
+file ${LUA_DIR}/bin/lua
+echo "Expected Output (on Apple Silicon):"
+echo "  ${LUA_DIR}/bin/lua: Mach-O 64-bit executable arm64"
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index c6eb118..2146178 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,6 +23,7 @@ classifiers = [
 dependencies = [
     "numpy",
     "pillow",
+    "fragile-gym",
     "opencv-python>=4.10.0.84",
     "pyglet==1.5.11",
     "pyvirtualdisplay>=3.0",
@@ -32,14 +33,17 @@ dependencies = [
 [project.optional-dependencies]
 atari = ["ale-py", "gymnasium[accept-rom-license,atari]>=0.29.1, == 0.*"]
 nes = [
-    "gym[accept-rom-license] @ git+https://github.com/FragileTech/gym.git",
-    "nes-py @ git+https://github.com/FragileTech/nes-py",  # Requires clang, build-essential
-    "gym-super-mario-bros==7.3.2",
+    "fragile-gym[accept-rom-license]",
+    "fragile-nes-py>=10.0.1",  # Requires clang, build-essential
+    "fragile-gym-super-mario-bros",
 ]
 classic-control = ["gymnasium[classic_control]>=0.29.1, == 0.*", "pygame>=2.6.0"]
 ray = ["ray>=2.35.0"]
-dm_control = ["dm-control>=1.0.22", "gym @ git+https://github.com/FragileTech/gym.git"]
-retro = ["stable_retro"]
+dm_control = ["mujoco>=3.2.2", "dm-control>=1.0.22"]
+retro = [
+    "stable-retro==0.9.2; sys_platform != 'darwin'",
+    "stable-retro==0.9.1; sys_platform == 'darwin'"
+]
 jupyter = ["jupyterlab>=3.2.0"]
 box_2d = ["box2d-py==2.3.5"]
 test = [
@@ -81,13 +85,14 @@ path = "src/plangym/version.py"
 
 [tool.rye]
 dev-dependencies = ["ruff"]
+#excluded-dependencies = ["gym"]
 universal = true
 
 [tool.rye.scripts]
 style = { chain = ["ruff check --fix-only  --unsafe-fixes tests src", "ruff format tests src"] }
 check = { chain = ["ruff check --diff tests src", "ruff format --diff tests src"]}  #,"mypy src tests" ] }
 test = { chain = ["test:doctest", "test:parallel", "test:singlecore"] }
-codecov = { chain = ["codecov:parallel", "codecov:singlecore"] }
+codecov = { chain = ["codecov:singlecore", "codecov:parallel"] }
 import-roms = { cmd = "python3 src/plangym/scripts/import_retro_roms.py" }
 "test:parallel" = { cmd = "pytest -n auto -s -o log_cli=true -o log_cli_level=info tests", env-file = ".multicore.env" }
 "test:singlecore" = { cmd = "pytest -s -o log_cli=true -o log_cli_level=info tests/control/test_classic_control.py", env-file = ".onecore.env" }
diff --git a/requirements-dev.lock b/requirements-dev.lock
index 72c9ece..f0cf65f 100644
--- a/requirements-dev.lock
+++ b/requirements-dev.lock
@@ -48,7 +48,7 @@ attrs==24.2.0
     # via jupyter-cache
     # via referencing
 autorom==0.4.2
-    # via gym
+    # via fragile-gym
     # via gymnasium
 autorom-accept-rom-license==0.6.1
     # via autorom
@@ -78,7 +78,7 @@ click==8.1.7
     # via jupyter-cache
     # via ray
 cloudpickle==3.0.0
-    # via gym
+    # via fragile-gym
     # via gymnasium
 colorama==0.4.6 ; sys_platform == 'win32' or platform_system == 'Windows'
     # via click
@@ -121,7 +121,7 @@ exceptiongroup==1.2.2 ; python_full_version < '3.11'
     # via pytest
 execnet==2.1.1
     # via pytest-xdist
-executing==2.0.1
+executing==2.1.0
     # via stack-data
 farama-notifications==0.0.4
     # via gymnasium
@@ -133,6 +133,13 @@ flogging==0.0.22
     # via plangym
 fqdn==1.5.1
     # via jsonschema
+fragile-gym==1.21.1
+    # via fragile-nes-py
+    # via plangym
+fragile-gym-super-mario-bros==7.4.0
+    # via plangym
+fragile-nes-py==10.0.1
+    # via plangym
 frozenlist==1.4.1
     # via aiosignal
     # via ray
@@ -143,11 +150,6 @@ glfw==2.7.0
     # via mujoco
 greenlet==3.0.3 ; (python_full_version < '3.13' and platform_machine == 'AMD64') or (python_full_version < '3.13' and platform_machine == 'WIN32') or (python_full_version < '3.13' and platform_machine == 'aarch64') or (python_full_version < '3.13' and platform_machine == 'amd64') or (python_full_version < '3.13' and platform_machine == 'ppc64le') or (python_full_version < '3.13' and platform_machine == 'win32') or (python_full_version < '3.13' and platform_machine == 'x86_64')
     # via sqlalchemy
-gym @ git+https://github.com/FragileTech/gym.git@507d04d43a81602959e29eecfea51404b791a6d4
-    # via nes-py
-    # via plangym
-gym-super-mario-bros==7.3.2
-    # via plangym
 gymnasium==0.29.1
     # via plangym
     # via shimmy
@@ -181,6 +183,7 @@ ipykernel==6.29.5
     # via jupyterlab
     # via myst-nb
 ipython==8.27.0
+    # via fragile-gym
     # via ipykernel
     # via myst-nb
 isoduration==20.11.0
@@ -265,6 +268,7 @@ msgpack==1.0.8
     # via ray
 mujoco==3.2.2
     # via dm-control
+    # via plangym
 myst-nb==1.1.1
     # via plangym
 myst-parser==4.0.0
@@ -282,9 +286,6 @@ nbformat==5.10.4
     # via myst-nb
     # via nbclient
     # via nbconvert
-nes-py @ git+https://github.com/FragileTech/nes-py@1ca4da5a97ac8987874f214054ccbd08e102a899
-    # via gym-super-mario-bros
-    # via plangym
 nest-asyncio==1.6.0
     # via ipykernel
 notebook-shim==0.2.4
@@ -293,12 +294,12 @@ numpy==2.1.0
     # via ale-py
     # via dm-control
     # via dm-env
-    # via gym
+    # via fragile-gym
+    # via fragile-nes-py
     # via gymnasium
     # via imageio
     # via labmaze
     # via mujoco
-    # via nes-py
     # via opencv-python
     # via plangym
     # via scipy
@@ -360,7 +361,7 @@ pygame==2.6.0
     # via gymnasium
     # via plangym
 pyglet==1.5.11
-    # via nes-py
+    # via fragile-nes-py
     # via plangym
     # via stable-retro
 pygments==2.18.0
@@ -439,7 +440,7 @@ scipy==1.14.1
     # via dm-control
 send2trash==1.8.3
     # via jupyter-server
-setuptools==74.0.0
+setuptools==74.1.0
     # via dm-control
     # via jupyterlab
     # via labmaze
@@ -474,7 +475,7 @@ sphinx==8.0.2
     # via sphinx-togglebutton
     # via sphinxcontrib-bibtex
     # via sphinxext-opengraph
-sphinx-autoapi==3.3.0
+sphinx-autoapi==3.3.1
     # via plangym
 sphinx-autodoc2==0.5.0
     # via plangym
@@ -506,7 +507,7 @@ sphinxext-opengraph==0.9.1
     # via plangym
 sqlalchemy==2.0.32
     # via jupyter-cache
-stable-retro==0.9.2
+stable-retro==0.9.1
     # via plangym
 stack-data==0.6.3
     # via ipython
@@ -533,7 +534,7 @@ tornado==6.4.1
 tqdm==4.66.5
     # via autorom
     # via dm-control
-    # via nes-py
+    # via fragile-nes-py
 traitlets==5.14.3
     # via comm
     # via ipykernel
diff --git a/requirements.lock b/requirements.lock
index 278bc03..9fb8762 100644
--- a/requirements.lock
+++ b/requirements.lock
@@ -48,7 +48,7 @@ attrs==24.2.0
     # via jupyter-cache
     # via referencing
 autorom==0.4.2
-    # via gym
+    # via fragile-gym
     # via gymnasium
 autorom-accept-rom-license==0.6.1
     # via autorom
@@ -78,7 +78,7 @@ click==8.1.7
     # via jupyter-cache
     # via ray
 cloudpickle==3.0.0
-    # via gym
+    # via fragile-gym
     # via gymnasium
 colorama==0.4.6 ; sys_platform == 'win32' or platform_system == 'Windows'
     # via click
@@ -121,7 +121,7 @@ exceptiongroup==1.2.2 ; python_full_version < '3.11'
     # via pytest
 execnet==2.1.1
     # via pytest-xdist
-executing==2.0.1
+executing==2.1.0
     # via stack-data
 farama-notifications==0.0.4
     # via gymnasium
@@ -133,6 +133,13 @@ flogging==0.0.22
     # via plangym
 fqdn==1.5.1
     # via jsonschema
+fragile-gym==1.21.1
+    # via fragile-nes-py
+    # via plangym
+fragile-gym-super-mario-bros==7.4.0
+    # via plangym
+fragile-nes-py==10.0.1
+    # via plangym
 frozenlist==1.4.1
     # via aiosignal
     # via ray
@@ -143,11 +150,6 @@ glfw==2.7.0
     # via mujoco
 greenlet==3.0.3 ; (python_full_version < '3.13' and platform_machine == 'AMD64') or (python_full_version < '3.13' and platform_machine == 'WIN32') or (python_full_version < '3.13' and platform_machine == 'aarch64') or (python_full_version < '3.13' and platform_machine == 'amd64') or (python_full_version < '3.13' and platform_machine == 'ppc64le') or (python_full_version < '3.13' and platform_machine == 'win32') or (python_full_version < '3.13' and platform_machine == 'x86_64')
     # via sqlalchemy
-gym @ git+https://github.com/FragileTech/gym.git@507d04d43a81602959e29eecfea51404b791a6d4
-    # via nes-py
-    # via plangym
-gym-super-mario-bros==7.3.2
-    # via plangym
 gymnasium==0.29.1
     # via plangym
     # via shimmy
@@ -181,6 +183,7 @@ ipykernel==6.29.5
     # via jupyterlab
     # via myst-nb
 ipython==8.27.0
+    # via fragile-gym
     # via ipykernel
     # via myst-nb
 isoduration==20.11.0
@@ -265,6 +268,7 @@ msgpack==1.0.8
     # via ray
 mujoco==3.2.2
     # via dm-control
+    # via plangym
 myst-nb==1.1.1
     # via plangym
 myst-parser==4.0.0
@@ -282,9 +286,6 @@ nbformat==5.10.4
     # via myst-nb
     # via nbclient
     # via nbconvert
-nes-py @ git+https://github.com/FragileTech/nes-py@1ca4da5a97ac8987874f214054ccbd08e102a899
-    # via gym-super-mario-bros
-    # via plangym
 nest-asyncio==1.6.0
     # via ipykernel
 notebook-shim==0.2.4
@@ -293,12 +294,12 @@ numpy==2.1.0
     # via ale-py
     # via dm-control
     # via dm-env
-    # via gym
+    # via fragile-gym
+    # via fragile-nes-py
     # via gymnasium
     # via imageio
     # via labmaze
     # via mujoco
-    # via nes-py
     # via opencv-python
     # via plangym
     # via scipy
@@ -360,7 +361,7 @@ pygame==2.6.0
     # via gymnasium
     # via plangym
 pyglet==1.5.11
-    # via nes-py
+    # via fragile-nes-py
     # via plangym
     # via stable-retro
 pygments==2.18.0
@@ -438,7 +439,7 @@ scipy==1.14.1
     # via dm-control
 send2trash==1.8.3
     # via jupyter-server
-setuptools==74.0.0
+setuptools==74.1.0
     # via dm-control
     # via jupyterlab
     # via labmaze
@@ -473,7 +474,7 @@ sphinx==8.0.2
     # via sphinx-togglebutton
     # via sphinxcontrib-bibtex
     # via sphinxext-opengraph
-sphinx-autoapi==3.3.0
+sphinx-autoapi==3.3.1
     # via plangym
 sphinx-autodoc2==0.5.0
     # via plangym
@@ -505,7 +506,7 @@ sphinxext-opengraph==0.9.1
     # via plangym
 sqlalchemy==2.0.32
     # via jupyter-cache
-stable-retro==0.9.2
+stable-retro==0.9.1
     # via plangym
 stack-data==0.6.3
     # via ipython
@@ -532,7 +533,7 @@ tornado==6.4.1
 tqdm==4.66.5
     # via autorom
     # via dm-control
-    # via nes-py
+    # via fragile-nes-py
 traitlets==5.14.3
     # via comm
     # via ipykernel
diff --git a/src/plangym/scripts/import_retro_roms.py b/src/plangym/scripts/import_retro_roms.py
index 239fed3..f26a6b7 100644
--- a/src/plangym/scripts/import_retro_roms.py
+++ b/src/plangym/scripts/import_retro_roms.py
@@ -3,6 +3,7 @@
 import zipfile
 import logging
 import flogging
+from pathlib import Path
 
 import retro.data
 
@@ -40,7 +41,7 @@ def main():
         ".pce": "PCEngine",
     }
     EMU_EXTENSIONS.update(emu_extensions)
-    paths = sys.argv[1:] or [os.getcwd()]
+    paths = sys.argv[1:] or [Path.cwd()]
     logger.info(f"Importing ROMs from: {paths}")
     logger.info("Fetching known hashes")
     known_hashes = retro.data.get_known_hashes()