Take the chess graphism, and use it with a chess engine.
A multiplatform game engine for interactive fiction experiences
A 3D, fully concurrent game engine
A cross-platform game framework based on OpenGL and GObject.
A retro style video game engine for RPGs and adventure games.
2D Game Engine, based on OpenGL and focused on Isometric Games
A truly extensible cross-platform game engine
A lightweight HTML5 Game Engine
UtiliGame is a light-weight game engine written in Java.
An open source skateboard games engine written in C# and .NET.
C-Lesh is a game programming language for 2D games.
Pear3DEngine is a modern and modular 3D development framework
An extensible development framework for roleplay games.
Java game engine for shoot 'em ups, using Java2D.
A game engine in java for 2D strategy games
Cross-platform reimplementation of AMOS BASIC (runtime)