Left / Right: Move Space: Jump Up: Use Portal
The wall detection is from r2dav2's splendid UltraEngine. Thanks, r2dav2! (Though I made the rest.) Music is Dance Dubber by audionautix.com. If you like a challenge, see how fast you can beat the game and how few lives you can lose in the process! Beware, the wall detection occasionally glitches out, allowing you to travel diagonally through walls. If you don't mind using glitches, here's one: When the title appears, press up to skip to level 1.