This page contains Halo 3: ODST Unlockables for Xbox 360 called "Firefight Missions" and has been posted or updated on Sep 28, 2009 by keith09.
- Developer: Bungie Software
- Publisher: Microsoft Game Studios
- Genre: Action Shooter First-Person
- Release: Sep 22, 2009
- ESRB: Mature
Complete certain campaign missions to unlock new maps for the Firefight game mode.
|Unlockable:||How to Unlock:|
|Alpha Site||Complete the ONI Alpha Site campaign mission on any difficulty.|
|Chasm Ten||Complete the Date Hive campaign mission on any difficulty.|
|Last Exit||Complete the Coastal Highway campaign mission on any difficulty.|
|Lost Platoon||Complete the Uplift Reserve campaign mission on any difficulty.|
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