The Night Owl has kidnapped Margaret for his Future Museum. Now Mordecai and Rigby must stop him the only way they know how: Death Kwon Do!! It's Fist Punch. Play as Mordecai or Rigby, or team up with a friend for two player co-op mode! Punch your way through the Bistro in the Park, the Lair of the Blondes and Night Owl's Future Museum to save Margaret. Regular Show games and other free online games are available only on Cartoon Network.