TX Library is a tiny graphics library for Win32 written in C++.
Orx: Portable Game Engine
Ze Text Adventure game Builder : Create as you play !
Generate ready-to-use disc images for your Sega Dreamcast system !
Gaming library
Open Game Bootstrap
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
c# lua bind with unity3d project for game development
Cross platform Game Creation Software
Gives agents personality, moods, emotions and emotional attachments.
A generic 2D engine for any kind of game
A basic 3D environment with a first-person POV
TurboSphere is an easy to learn and powerful JS based game engine.
A mobile tower 3D tower defense/defend the flag game
Scriptable frontend for media applications.
An Animated 2D Game in the Turbo Compiler.
A very small multi-platform game engine for creating desktop games.
An open source C++ console based game (Windows only).
Open Source Virtual World and MMOG Development Platform
Cross-platform reimplementation of AMOS BASIC (runtime)