I use my own: Ludus It's coded in Amber Smalltalk, you can see the source here: https://github.com/bromagosa/amber/tree/ludus https://github.com/bromagosa/ambe

I use my own: Ludus It's coded in Amber Smalltalk, you can see the source here: https://github.com/bromagosa/amber/tree/ludus https://github.com/bromagosa/amber/tree/ludus And some examples: http://reggaeperxics.com/pong.html http://reggaeperxics.com/pong.html http://reggaeperxics.com/sokoban.html http://reggaeperxics.com/sokoban.html http://reggaeperxics.com/cave.html http://reggaeperxics.com/cave.html