Homebrew development library for Nintendo 3DS/Horizon OS user mode
Create custom themes for the Nintendo Switch
Xash3D FWGS engine
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.
INSTEAD - Simple Text Adventure Interpreter.
A cross-platform port of Hexen II game.
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
Cross-platform real-time strategy game (3D)
General Purpose Engine for Graphic Adventures.
Warlock is a front end for Simutronics text-based games.
OpenGL port of the classic 6dof 3D shooter Descent
robotfindskitten: a Zen simulation
Ubuntu-based Linux Gaming OS
Free MMORPG
Typing Test (Only Linux OS supported)
The event based Real-Time Operating System (RTOS) for Arduino