Halo CE: Find and claim the Foreign skull in remastered mode. Halo CE: Find and claim the Boom skull in remastered mode. Halo CE: Find and claim the Mythic skull in remastered mode. Halo CE: Find and claim the Iron skull in remastered mode. Halo CE: Activate all Halo: CE Terminals. Halo CE: Activate Terminal 10 on The Maw. Halo CE: Activate Terminal 8 on Two Betrayals. Halo CE: Activate Terminal 7 on The Library. Halo CE: Activate Terminal 6 on 343 Guilty Spark. Halo CE: Activate Terminal 5 on Assault on the Control Room. Halo CE: Activate Terminal 4 on The Silent Cartographer. Halo CE: Activate Terminal 3 on The Truth and Reconciliation. Halo CE: Activate Terminal 1 on The Pillar of Autumn. Halo CE: Beat the par score on all Halo: CE levels. Halo CE: Beat the par score on Two Betrayals. Halo CE: Beat the par score on The Library. Halo CE: Beat the par score on 343 Guilty Spark. Halo CE: Beat the par score on The Truth and Reconciliation. Halo CE: Beat the par score on The Pillar of Autumn. Halo CE: Beat the par score on Assault on the Control Room. Halo CE: Beat the par score on The Silent Cartographer. Halo CE: Beat par time on all Halo: CE levels. Halo CE: Beat the par time on Two Betrayals. Halo CE: Beat the par time on The Library. Halo CE: Beat the par time on 343 Guilty Spark. Halo CE: Beat the par time on The Truth and Reconciliation. Halo CE: Beat the par time on The Pillar of Autumn. Halo CE: Beat the par time on Assault on the Control Room. Would It've Killed You To Take The Elevator Halo CE: Beat the par time on The Silent Cartographer. Halo CE: Complete The Truth and Reconciliation. Halo CE: Complete Assault on the Control Room.

Halo CE: Complete The Silent Cartographer. Play a multiplayer or co-op game at least 3 months after your first game.Ĭomplete all campaigns on Normal difficulty.Ĭomplete all campaigns on Heroic difficulty.Ĭomplete all campaigns on Legendary difficulty.Ĭomplete a campaign mission or a match of multiplayer.Ĭomplete the LASO playlist for every Halo game. Collect 10,000 campaign or playlist medals.Ĭomplete 10 missions or multiplayer games.Ĭomplete 100 missions or multiplayer games.

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