Why Red Dead's Undead Nightmare co-op is as good as Left 4 Dead or COD's Nazi Zombies

Undead Nightmare’s single player is a big deal. Hell, if you’veread our hands-on, which features zombie cougars, flaming Horses of the Apocalypse, and a rumoured six hour story (which sees you shooting the hordes of the dead with a goddamn elephant rifle) you won’t be too surprised.

Above: Safety in numbers is a good idea... well, until zombies start to eat your face off

What you probably don’t know, is Red Dead: Redemption’s latest DLC also has a four player co-op mode, called Undead Overrun.And it just happens to match Valve’s zombie masterpiece and World at War’s stupidly addictive mini-game for amazing multiplayer mayhem. We were lucky enough to play a few matches with Rockstar at its London offices last week. All the details below.