RPG Maker 2000/2003 and EasyRPG games interpreter
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
INSTEAD - Simple Text Adventure Interpreter.
A cross-platform, multimedia interpreter for TADS adventure games.
Delphi Java - VRCalc++ OOSL (Script) and + (Binary Exec Distro)
a (simple) Sokoban game
2D Game Engine
A cross-platform interpreter for many point-and-click adventure games
GGMud is a cross platform modern MUD client.
A cross-platform, 3D interpreter to play LucasArts' Lua-based games
A modern "graphics" API for text-based applications
Yet Another Chess ENgine
Cross-platform reimplementation of AMOS BASIC (runtime)
AMOS BASIC reimplementation in Java