← Halo: The Master Chief Collection

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• I Dabble in SlayingComplete one cross-game playlist.2.5%Very rare
• ThermopylaeWin 300 multiplayer games.2.5%Very rare
• Game MasterCreated and saved 5 Custom Game types.2.6%Very rare
• WatchfulH3: ODST: Find the 19th Audio Log.2.6%Very rare
• HBOrg SpecialHalo: Reach: Party with the DJ Brute.2.6%Very rare
• Skulltaker Halo 3: IWHBYDHalo 3: Find and claim the IWHBYD Skull on Normal or harder.2.6%Very rare
• Those Left BehindH3: ODST: Finish Tayari Plaza with at least one Marine still breathing.2.7%Very rare
• Circuit BreakerHalo CE: Beat the par score on 343 Guilty Spark.2.7%Very rare
• Bearly ContainedHalo CE: Activate Terminal 6 on 343 Guilty Spark.2.7%Very rare
• Skulltaker Halo 3: CowbellHalo 3: Find and claim the Cowbell Skull on Normal or harder.2.7%Very rare
• AttentiveH3: ODST: Find the 18th Audio Log.2.7%Very rare
• Reach Has Been Good to MeHalo: Reach: Complete a Halo: Reach playlist.2.7%Very rare
• ChartedHalo CE: Beat the par score on The Silent Cartographer.2.8%Very rare
• Walk It OffHalo CE: Complete The Pillar of Autumn on Legendary without picking up a health kit.2.8%Very rare
• Lightning StrikeHalo 3: Beat the par time on The Storm.2.8%Very rare
• Unreliable NarratorHalo: Reach: Find Data Pad 10 on Winter Contingency on Legendary difficulty2.8%Very rare

Data from Steam — Steam Web API Terms of Use. Last updated 21 Aug 2026.