Cool mirror on last mission!!!!!!!! cheats for Halo 3

Cool mirror on last mission!!!!!!!!

You have to do this on co-op and go to the last level. After you defeat the oracle fight your way into that little room full of flood and robots. When you enter the room make sure one person waits in the way you entered, Then let the other person go and fight. Once the person gets far away the person by the enterance turns around to look at the enterance and you will see the second person's screen.

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