Complete the following tasks to unlock PlayStation 3 trophy rewards.
| Trophy | How to unlock
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|---|
| - Kill a stunned alien with a Frag Grenade.
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| - Complete all single player levels 1-5.
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- Bigger Isn't Always Better? (Bronze)
| - Kill a sentry gun with the Blaster.
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- Bigger is Better (Bronze)
| - Purchase any weapon upgrade.
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| - Complete the prologue, all single player, co-op assault and survivor maps.
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| - Complete all single player levels 1-5 on elite difficulty.
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| - Kill 3 burster aliens with one melee attack.
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| - Use a Frag Grenade to kill 10 aliens at the same time.
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| - Complete any single player level using only the Blaster and Grenades.
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| - Find all 'secret' collectibles.
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| - Use a stun grenade to stun 10 aliens at the same time.
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- Into the Kill Zone (Bronze)
| - Kill 20 aliens with one sentry gun.
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| - Locate the bodies of Vance and Barnes.
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| - Kill 5 aliens with one shot of Project X.
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| - Kill 250 aliens on any of the Survivor mode multi player levels.
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- More Speed, Less Haste (Gold)
| - Complete 'Vengeance' single player level on Veteran mode in 17 minutes or less.
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| - Complete any co-op assault map over PlayStation Network.
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| - Complete any single player level with the waypoints turned off.
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- Seasoned Squaddie (Bronze)
| - Complete any multiplayer level.
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| - Stay alive for 8 minutes or better on any of the Survivor mode single player levels.
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| - Achieve a time of 8 minutes or better on any multiplayer survivor map.
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| - Take 200 damage without dying on 'Determination' single player mission.
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- The Completionist (Platinum)
| - Each and every trophy has been awarded. Congratulations!
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| - Collect all logs through out the game.
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| - Complete the prologue on any difficulty level.
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| - Purchase an item upgrade.
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