Go bindings for raylib, a simple and easy-to-use library
Zig game engine & graphics toolkit
Open source library for creative expression on the web, desktop, etc.
Kotlin extensions for the libGDX game framework
Visual Basic 6 2D online adventure game engine
The multiplayer game engine
An online multiplayer turn based strategy game and board game engine.
2D physics engine for games
Role Playing Game Engine
Demonstrating the features of jMonkeyEngine 3.
Pig2D is a game engine for Java that uses a sprite-based interface.