| Achievement | How to unlock
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|---|
| Bravery ( 15 points ) | Use only your knife to beat the Harbor Level.
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| Fair Fight ( 10 points ) | Reach the mortar without defeating any unarmed soldier in Missile Base.
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| Good Start ( 10 points ) | Complete the Missile Base.
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| Knife Master ( 20 points ) | Complete all levels using only your knife and no powerups.
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| Mad Marine ( 30 points ) | Rescue the POWs twice.
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| Not Bad ( 10 points ) | Get a score of 50,000 or more.
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| Reflexes ( 15 points ) | Complete the Missile Base without dying.
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| Stamina ( 15 points ) | Complete the Bridge Level.
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| Stealth ( 15 points ) | Complete Missile Base, defeating less than 18 enemies.
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| Teamwork ( 20 points ) | Score 200,000 or more playing an Xbox Live co-op match.
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| True Marine ( 20 points ) | Rescue the POWs in less than 10 minutes.
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| Victory ( 20 points ) | Beat the Enemy Prison Camp.
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