git clone https://github.com/Roboy/BulletUnityRoboy.git
cd BulletUnityRoboy
git submodule init
git submodule update

pybullet server setup

Get Python >=3.6 and install pybullet.

pip3 install --user --upgrade numpy pybullet

Run pybullet server either headless by using

cd BulletUnityRoboy/python
python runServer.py

or for GUI run App_PhysicsServer_SharedMemory_GUI_vs2010_x64_debug.exe located in Assets.