Firefight mode: Missions for Halo 3: ODST - Xbox 360

• Firefight mode: Missions

Complete the indicated mission in Campaign mode to unlock the corresponding Firefight mode mission.

Alpha Site: Complete the ONI Alpha Site mission.
Chasm Ten: Complete the Date Hive mission.
Last Exit: Complete the Coastal Highway mission.
Lost Platoon: Complete the Uplift Reserve mission.

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