An isometric arcade-style game of skill, puzzles and exploration
TX Library is a tiny graphics library for Win32 written in C++.
A free 3D game engine to create games and realtimes scenes for Windows
Utility for viewing ZX Spectrum emulator snapshot files.
Quake PAK file utility
A cross platform Lua based game engine
A 2D game engine and level editor
IGS Labs
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
IRB is a game creation toolkit
2D ARPG Engine
Open-source, cross-platform, C++ game engine for creating 2D/3D games
Open Game Bootstrap
Single-/multi-player card game Mau Mau (similar to UNO®)
evolution for vegastrike SpaceSim/Combat/Trade game
Mahasona engine is an open source game engine.
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
A generic 2D engine for any kind of game
a game library to develop audio games
multi-kinect system
3D Game engine
C++ Framework for slot machine games