A cross-platform PSP emulator
Cross-platform 2D and 3D game engine with modular architecture
Open-source OpenGL/SDL2 reimplementation of Sid Meier's Alpha Centauri
Widelands is a free, open source real-time strategy game
Free game engine for development of desktop, mobile, and web games
xBRZ: "Scale by rules" - high quality image upscaling filter by Zenju
Action RPG that's easy to mod
SRCP model train controller
Orx: Data-Driven Game Engine
A high speed C++17 Vulkan game engine
DeSmuME is a Nintendo DS emulator
Makes magic squares.
The Atomic Game Engine is a multi-platform 2D and 3D engine
small game written in gameapi
Challenge generator for racing game 'TrackMania Nations Forever'
Converts Minecraft world files between formats to allow editing
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Free-roaming 3D racing game featuring advanced terrain rendering
The Model Railroad System can help you run your railroad.
TurboSphere is an easy to learn and powerful JS based game engine.
Sudoku solver and generator for Windows