Arrow keys to move. Z and X to turn the world, if in a room that says you can. If you turn into a wall, it'll go back. R to restart that map, C to go back to last checkpoint. Rotating rooms are checkpoints. Explore! Because I said so! If you get stuck in a wall, press C.
I used a platformer script from @-Hambonius-, but I added the huge map and the rotating and dying.