This game is a Stand-alone version of the Nazi Zombies mini-game from Call of Duty World At War. It features the six maps from the previous games, Nacht der Untoten, Verrückt, Shi-no-numa, Der Riese, Kino der Toten and 'Five' and five new Maps: Area-51, Irres Laboratorium, Schloss der Untoten, Tote Stadt and Tovarich. Also, more guns have been added, mostly on Tote Stadt due to the era of the level. The maximum number of players on the new maps has been boosted to 6 players. The new maps also all take place in different areas, America, Germany, Britain, Russia and a Random City Respectively.