I like this a lot. The game is compatible with hundreds of controllers, because it won't interfere with profiler programs like JoyToKey.
I don't know if there's a way to make it auto-fullscreen, but that would rock.
The game feels a bit daunting, in that it's difficult to get a sense of how thoroughly I've progressed. The first level doesn't feel like it has "tutorial value". I still found it engaging, and I'd buy a final draft.