Dimentia
This game is from the old Ludum Dare platform. You can try viewing the original page on Web Archive
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A little buggy, ugly, no sound, but the idea is there. An idea, I noticed right before submitting, that somebody else also had. I guess that makes it a good idea. I did a poor job of visually teaching the player so if you're wondering, the screen wraps and you can touch those squares more than once. Left/right/up to move.