Updated version based on some feedback here - now there's nubs when you get to a room on the map, and there's one small platform change which should make the early game significantly easier, since it seemed like a lot of people were getting stuck at the same point. It's on my site here: http://notthefuture.com/minuteescape/
Also, never mentioned anywhere but still valid in the original: you can use space to jump and shift to dash as an alternate control scheme. Also you could use WASD and JKL to control the game.