Ever played Super Mario only to find the game goes haywire and you are suddenly playing as Pac-Man in Space Invaders?
Rom Check Fail is a game that will randomly change your game character and environment.
Can you survive this madness?
http://www.farbs.org/games.html
Great time waster.
8/10 would play again.
CURSE YOU!!! I lost half of my afternoon to this thing.