Who knew the robotic vacuum Roomba could do so much? In addition to automatically cleaning floors and killing kittens, the Roomba vacuum can also be used to play an elaborate version of Pac-Man. Developed by Jack Elston, Cory Dixon and Maciej Stachura, Roomba Pac-Man is meant to demonstrate the team's "Unmanned Aerial System software suite." It also effectively demonstrates that the three might have just a little too much free time on their hands.

This is definitely an ingenious take on the classic arcade game. How often can you play a game that makes your room cleaner? Until Activision releases Broom Hero, the answer is "not very."

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