RPG Maker 2000/2003 and EasyRPG games interpreter
A cross-platform, multimedia interpreter for TADS adventure games.
Commander Keen Interpreter
2D Game Engine
Karel - 3D language interpreter
A cross-platform interpreter for many point-and-click adventure games
A cross-platform, 3D interpreter to play LucasArts' Lua-based games
Cross-platform reimplementation of AMOS BASIC (runtime)