INSTEAD - Simple Text Adventure Interpreter.
Orx: Portable Game Engine
JavaScript framework to build game engines, games, emulators and apps
The first-ever RPG for WordPress
Sdk library for creating 2048 game in c#.
2D Game Engine
Cross-platform 2D and 3D game engine
Asphyre is a cross-platform framework for Delphi and FreePascal.
Multi-threaded game engine for Android
Cross platform 2D/3D game engine written in C++11 & OpenGL ES 2/3
Cross platform Game Creation Software
C-Lesh is a game programming language for 2D games.
The classic intelligent role playing game
A cross-platform OpenGL based lightweight scenegraph library
A powerful cross-platform and open-source 3-D rendering engine.