2D game engine
FIFE is a free, open-source cross-platform game engine. It features hardware-accelerated 2D graphics, integrated GUI, audio support, lighting, map editor supporting top-down and isometric maps, pathfinding, virtual filesystem and more! Games utilizing FIFE are programmed through Python scripting layer on top of the base C++ API. Games can be also programmed using the C++ layer directly.
Homepage: https://www.fifengine.net/