This page contains Halo 3: ODST Unlockables for Xbox 360 called "Cidmaster achievements" and has been posted or updated on Sep 19, 2009 by game chicken.
- Developer: Bungie Software
- Publisher: Microsoft Game Studios
- Genre: Action Shooter First-Person
- Release: Sep 22, 2009
- ESRB: Mature
Deja Vu- you complete Coastal Highway on 4-player Legendary Live co-op, with Iron skull activated, and not using the Warthog or Scorpion at all. It is worth 25 points.
Endure-it is unlocked when you play on Firefight, on any mission, and pass the 4th set (the 12th round and 60th wave) on 4 player Heroic co-op Live. It is worth 25 points.
Please Submit a Problem for any incomplete, non-working or fake cheat listed above.
If you know other secrets, hints, glitches or level guides, then please Submit your Cheats and share your insights with other players.
Posted on: 01-24-2015
From: gun man
Posted on: 12-17-2012
From: mr johnson32
Posted on: 05-28-2010
Posted on: 11-10-2009
Stuck in this game? Set a specific, clearly defined question and let other gamers answer your question or view answers to previously asked questions. If you think you are an expert then please try to help others with their questions.