HTML5 Phigros chart player/simulator
RPG Maker 2000/2003 and EasyRPG games interpreter
Open-source rhythm game
Endless Sky is a sandbox-style space exploration game
The main repository for the development of the evolution game Thrive
New Modpack with Gregtech, Thaumcraft and Witchery
Multi Theft Auto is a game engine
The source code to VVVVVV
A game of dungeon exploration, combat and magic
Aim assistance for blocks and mobs
Free and open source real-time strategy game
Source code repository of the FreeOrion project
3D game engine with lua scripting
Classic overhead run-and-gun game
Accuracy-focused XNA4 reimplementation for open platforms
Magic Another Game Engine
Access GameLift resources and integrate GameLift into your Unity game
You can make it - Open Source MMORPG Platform
Doom-based AI research platform for reinforcement learning
Build multiplayer web games played by millions
A terminal based Pokemon like game
A development environment focused on modding
A Steam library categorizing tool
Multiplatform MIDI File Player for Linux, Windows, and macOS
The Turn Based Strategy Game/eSport. Master your beasts