• One, Two, Three, Four... - 1250 XP

    Earn 8 Multikill medals.

  • Infected - 1250 XP

    Win 4 matchmaking Flood matches.

  • Requiem for a Friend - 12000 XP

    Complete Requiem co-operatively on Legendary difficulty.

  • You Reclaim Me! - 12000 XP

    Complete Reclaimer co-operatively on Legendary difficulty.

  • I am the 99 Percent - 8000 XP

    Kill 60 Elites.

  • Knightmare - 6000 XP

    Kill 30 Knights.

  • To the Victor Go the Spoils - 5000 XP

    Win 15 matchmaking War Games matches.

  • That's Just Perfect - 7000 XP

    Complete a War Games match with at least 15 kills without dying.

  • Spartan Takedown - 25000 XP

    Kill 3000 Players.