'Nacht der Untoten' Mystery box cheats for Call of Duty: World At War - Zombies

'Nacht der Untoten' Mystery box

When you have unlocked and are inside the 'Help' room unplug your charger and plug it back in. To exit the 'Help' room you must do the same thing you did to get in. During this entire time you will be invisible to the zombies.

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