The Great Prank War pits Mordecai and Rigby against their rivals from East Pines. When East Pines' leader, Gene, uses a time machine to travel back in time and kidnap Muscle Man, that leaves the park vulnerable to an all-out prank war. Help Mordecai and Rigby use their newly learned pranking techniques to battle the bad guys and take back the park. Build prank machines to help you in your quest, and level up your characters to unlock special abilities before you take on Gene's gigantic boss battles. If you like The Great Prank War, you can put it to your favorites. So it can be convenient for you to play later!