The source code to VVVVVV
The flexible game engine
The Tiny JavaScript Game Engine That Can!
Cross-platform, open source, and super fast MUD client with scripting
Domination is a game that is a bit like the board game Risk
GEDKeeper - opensource and crossplatform genealogy management program
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
LDraw™ editor for LEGO® style digital building instructions.
A cross-platform, open-source, pure C game engine for mobile game
OpenGL port of the classic 6dof 3D shooter Descent
2D Game Engine with Lua Scripting made on top of SFML
Dialog box to edit Exif comment into images
Virtual paper folding program
A JavaScript game library to quickly develop board games for the web
Godot is a fully featured, open source, MIT licensed, game engine.
Multi-threaded 2D Renderer licensed under the Mozilla Public License
A platform game.
A UnitEditor that can be modified to match exactly the requirements...
Free position 2D maps for computer games.
A tool for roleplaying gamemasters
AMOS BASIC reimplementation in Java