Homebrew development library for Nintendo 3DS/Horizon OS user mode
A lightweight online game framework
Create custom themes for the Nintendo Switch
Xash3D FWGS engine
The flexible game engine
Gideros Release version
An Open Source DOS emulator to run old DOS games
RTS game with the theme of Strategy by Design
A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
INSTEAD - Simple Text Adventure Interpreter.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A MUD client for Android, iOS, Linux, Mac OS X and Windows
Orx: Data-Driven Game Engine
General Purpose Engine for Graphic Adventures.
Cross-platform real-time strategy game (3D)
A cross-platform, open-source, pure C game engine for mobile game
Warlock is a front end for Simutronics text-based games.
OpenGL port of the classic 6dof 3D shooter Descent