Xash3D FWGS engine
The flexible game engine
A simple and easy-to-use library to enjoy videogames programming
A completely free, open-source, 2D game engine
The ioquake3 community effort to continue supporting/developing id's
A free/open source client and automation tool for Ragnarok Online
This is a re-implementation of the 1995 PSX game wipEout
Classic overhead run-and-gun game
Rcon client for Minecraft
A free and open-source Touhou Project fangame
An OpenGL RTS game engine written in C
Go bindings for raylib, a simple and easy-to-use library
Gideros Release version
RTS game with the theme of Strategy by Design
SDL library for Android, including several games.
0 A.D. is a free, open-source, cross-platform real-time strategy game.
A modern, cross-platform Quake game engine based on FitzQuake.
A cross-platform port of Hexen II game.
Cross-platform version of the classic puzzle game "Sokoban"
A cross-platform chess game.
Emulator of the 8-bit computers Sharp MZ-800 / MZ-700 / MZ-1500
INSTEAD - Simple Text Adventure Interpreter.
A 2D multiplayer space shooter game