A free & open-source 2D sprite editor, made with the Godot Engine
Ct.js is a desktop game engine that makes learning programming fun
Flexible level editor
General purpose tile map editor
GPS track editor for editing tracks and planning (multiple) day tours
SDL based generic 2D game engine
2D Game Engine
The imaginary eight-bit machine
A traditional top-down OpenGL car racing game
A roguelike game engine/editor
A simple game level editor written in Java.
A 2D tile map editor created using .NET framework.
Free position 2D maps for computer games.