A modular Common Lisp game engine
All of Minecraft, EASILY get Minecraft resources
Mastering Diverse Domains through World Models
Source code repository of the FreeOrion project
A Foundation Model for Generalist Gaming Agents
A generic, simple and fast implementation of Deepmind's AlphaZero
Doom-based AI research platform for reinforcement learning
A game engine with an emphasis on real-time cutting-edge solutions
The Open Toolkit library is a fast, low-level C# wrapper for OpenGL
A downloadable game for Windows, macOS, and Linux
A planetarium software that shows a 3D simulation of the night sky
FlightGear Flight Simulator: free open-source multiplatform flight sim
Robocode is a programming tank game for Java
GLScene Engine for Delphi & C++Builder VCL Windows 32/64
... the open-source glide computer
An enhanced version of 7K:AA (Seven Kingdoms: Ancient Adversaries).
A promising chess program
JASI - Java Event-Based Simulation Framework
Extensible Line-drawing & Polygon-filling Rasterization Libs for Java
JavaScript framework to build game engines, games, emulators and apps