Sniper Elite: Nazi Zombie Army 2 (2013)
Sniper Elite: Nazi Zombie Army 2 is a horror-themed video game set in World War II Europe overrun by legions of the undead. Players must work together to secure sacred artefacts and save mankind, fighting their way through demon-infested cities and even the Führerbunker itself. The campaign can be played online with up to four players or solo for those brave enough.