Wipe out zombies using Olympic sports equipment. Plays: , Tags: regular-show. Description: Real zombies are attacking! Help Mordecai and Rigby kill them all using Olympic sports equipment. Control. Regular show zombie grave: The tombs of the cemetery are opening and they keep out zombies, mordecai must shoot the zombies to burst them all and prevent.
Nightmare-athon is the third Regular Show game on Cartoon Network. It focuses on Mordecai and Rigby trying to fend off zombies who want to get the audience. Zombies are characters featured in the episode, "Grave Sights". They are awakened from ages of slumber when the Zombocalypse (3D) is put in the Zetamax 3D.