Retro Game Tips for Halo 3: ODST (Xbox 360)
Achievement: Firefight: Alpha Site (10)
When:
during game
How:
Score over 200,000 points in Firefight on Alpha Site.
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Achievement: Firefight: Chasm Ten (10)
When:
during game
How:
Score over 200,000 points in Firefight on Chasm Ten.
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Achievement: Firefight: Crater (10)
Achievement: Firefight: Last Exit (10)
When:
during game
How:
Score over 200,000 points in Firefight on Last Exit.
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Achievement: Firefight: Lost Platoon (10)
When:
during game
How:
Score over 200,000 points in Firefight on Lost Platoon.
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Achievement: Firefight: Rally Point (10)
When:
during game
How:
Score over 200,000 points in Firefight on Rally Point.
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Achievement: Firefight: Security Zone (10)
When:
during game
How:
Score over 200,000 points in Firefight on Security Zone.
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Achievement: Firefight: Windward (10)
Achievement: Good Samaritan (20)
When:
during game
How:
Killing things that are new and different is bad, alone or with another ODST.
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Achievement: Gumshoe (10)
When:
during game
How:
Find the 3rd clue unraveling the mystery, alone or with another ODST.
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