Two different games, if you play as Tom you throw water balloons, Jerry you drop cheese to Nibbles. Tom how to play: Move Tom using the Arrow Keys. Press Space Bar to throw water balloons at Jerry & Nibbles. You can only miss five times. Jerry how to play:Move Jerry using the Arrow Keys. Pick up and drop food to a hungry Nibbles with the Space Bar. The higher the drop, the more points you'll earn. Be careful: if Tom hits you three times, it's game over.