Lua has LÖVE (https://love2d.org/ https://love2d.org/), a 2D engine. Python has PyGame (http://www.pygame.org/ http://www.pygame.org/). Both are cross platform

Lua has LÖVE (https://love2d.org/ https://love2d.org/), a 2D engine. Python has PyGame (http://www.pygame.org/ http://www.pygame.org/). Both are cross platform interpreted languages. If you are planning to develop for mobile, unfortunately there's no cross platform.