A remake of the classic Atomix game for modern platforms
DeSmuME is a Nintendo DS emulator
Modern 3D engine and IDE written using C# and C++.
KlayGE is a cross-platform open source game engine
A cross-platform 2D game engine
A mapping tool for text-based games like text adventures, MUDs, etc.
Easy fine console input/output for java
A first person multiplayer shooter example project in Unity
Children's learning programming language Karel the Robot in 3D
The event based Real-Time Operating System (RTOS) for Arduino
Solve 9x9 Sudoku Puzzles Using A Command Line Utility
Measuring and managing laptimes at kart-slalom races
Game engine for playing tomb raider 1 - 5 levels.
scriptable game engine with built-in support for 2D graphics and sound
3D video music media player lyrics subtitles etc...
Open-DIS implements the IEEE DIS protocol in multiple languages.
Quake C mods and support - SSQC / CSQC
Sims 3 (and other) game package library
Fast and robust map analyser for Brood War.