The Tiny JavaScript Game Engine That Can!
The flexible game engine
Ct.js is a desktop game engine that makes learning programming fun
3D Game engine with editor
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
A cross-platform, open-source, pure C game engine for mobile game
A 2D game engine and level editor
Multi-platform game engine similar to old Megaman with a stage editor
A roguelike game engine/editor
Component 2D Game Engine
3D Game engine
A Simple Game Engine
cross-platform 2d game engine