3 достижения для Halo 3 - Vidmaster Challenges DLC (Xbox 360)
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Vidmaster Challenge: Annual
After 9/25/08, completed Halo on 4-player Legendary LIVE co-op, with Iron, and everyone in Ghosts.
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Vidmaster Challenge: Lightswitch
Got the rank of Lieutenant in any playlist in the new EXP progression system.
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Vidmaster Challenge: 7 on 7
Entered into a ranked or social playlist with 7 EXP on the 7th of the month.