NeoAxis Engine is an integrated development environment with built-in 3D game engine.
Quest lets you make text adventure games or gamebooks that can be played anywhere. Your game can be played in a web browser, or downloaded to a PC. No programming required. Everything is displayed in plain English, and a full tutorial is included.
Emulates BioWare’s Infinity game engine (e.g. Baldur’s Gate)
Multiplatform object oriented game engine Framework
OpenGL/OpenAL game engine
Free and open source 2D game engine for Lua
An extension of the Dink Smallwood game engine.
Common Lisp Game Engine