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Peace
I know it took me a long time to notice this but Maption Sack has had the same maps for as long as I've played on multiple times it is Double XP.
Community Joe Interview | Community Playlist FAQ Halo: Reach Fileshare~ Play. Forge. Film.
There are over 30 maps in the playlist.
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Yeah I'd say I know about 6 or 7 maps off by heart & jus have fun exploring the others