The ioquake3 community effort to continue supporting/developing id's
The flexible game engine
Homebrew development library for Nintendo 3DS/Horizon OS user mode
This is a re-implementation of the 1995 PSX game wipEout
Gideros Release version
Emulator of the 8-bit computers Sharp MZ-800 / MZ-700 / MZ-1500
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A cross-platform port of Hexen II game.
The classic board game "Mastermind" for various Z80 computers
A cross-platform, open-source, pure C game engine for mobile game
Retro game engine for creating games like it's 1997
Based on the raedwulf-et project
DirectX 1-11 to OpenGL wrapper
The IRC's Talking Robot
A Simple Game Engine
A cross-platform «Boulder Dash»-like game in Oberon/Component Pascal
Quake III Arena GPL Source Release