How long does it take to beat Mythic II Map Pack in Halo 3?

The estimated time to complete all 7 Mythic II Map Pack achievements for Halo 3 is 2-3 hours.

This estimate is based on the modal completion time from 635 TrueAchievements members that have completed the add-on.

Please note there are now 3 discontinued achievements in this Add-on, so these estimates are not necessarily accurate for all of the achievements currently unlockable.

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