Lost and dead
Lost and dead is a custom map that will allow hints and other stuff if you go into the house that cost 750 points most likely the treasure box will be in there. This map will allow to even hop on houses and shoot the zombies and they won't see you, and here's another hint, you can break the glass in the bus and it will give you 100 points for each window.
We have more cheats and tips for this game here, Call of Duty: Black Ops cheats
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