Why wont it let me play team slayer on Halo 3? I have downloaded the mappacks and...

[ward]

...it still wont let me play.? It says that I don't have the required maps to play.

 

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The only thing I can think of is that....make sure its downloaded properly!!! Check if is in your hard drive. Play a custom game by yourself on like Rats Nest to see if it works....