Fahndel
Green Slime
So.. this may not be a problem in singleplayer, However, if you are playing with friends and just happen to trap said friend between the blocks as the final block is pushed to the end. He becomes trapped and can not escape, the only way out is the Game Over button
http://www.twitch.tv/fahndel/v/8130766
http://www.twitch.tv/fahndel/v/8130766