A hard as nails platformer with over 100 levels to explore and plenty of ways to make your blood vessels to pop out of anger. The drill wall remains one of the scariest things I've ever encounter in a game and if you know what you're doing, you can technically beat the game after only two levels.

But where's the fun in that?

The concept isn't bad as it allows for a lot of creativity and exploration, but it's held back by some clunky gameplay and uneven difficulty.