Annual

Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.

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Related Achievements

  • Annual 30
    Halo 3: Complete Halo on 4-player Legendary co-op, with Iron Skull, and everyone in Ghosts.
    Gamerscore 10
    Score
    1%
    Super Rare