Broken Bonez

Broken Bonez is a video game installed in The Coffe Shop on High Score.

Rules
To play, you need to use a joystick and buttons to do stunts in the air while riding a bike. If you fail a jump after doing stunts, you get Broken Bonez. GBF holds the high score and the Universe score, which is now held by Mordecai and Rigby.

Broken Bonez (obviosly) is a play on the words broken bones.