Really creative take on the theme, haven't seen anything else like this in the jam. There are a few minor issues with the design in that it was unclear what to do, and then once you realized what to do there wasn't much puzzling to it - just going from room to room locking every one that wasn't a two. It wasn't that dull though, because all the rooms were a bit different and were fun to explore. Anyway, my favourite part of this game is the presentation - it is IMMACULATE! The combination of the music, the cute pixel art, and the individual room progression is so wonderfully retro, reminds me of VVVVVV! Great job overall.