'Extermination' achievement icon Secret achievement icon

Extermination

Kill 50 aliens

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Unlocked 2011.06.11. 01:48.

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'Annihilation' achievement icon Secret achievement icon

Annihilation

Kill 100 aliens

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Unlocked 2011.06.11. 02:29.

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'Nuclear Devastation' achievement icon Secret achievement icon

Nuclear Devastation

Kill 250 aliens

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Unlocked 2011.06.12. 11:02.

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'Hippy-Stomper' achievement icon Secret achievement icon

Hippy-Stomper

Foot stomp 12 aliens

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Unlocked 2011.06.13. 05:22.

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'Judge, Jury, Executioner' achievement icon Secret achievement icon

Judge, Jury, Executioner

Execute 20 aliens

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Unlocked 2011.06.13. 02:34.

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'Trapper' achievement icon Secret achievement icon

Trapper

Kill 10 aliens with Trip Mines

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'Freeze Well!' achievement icon Secret achievement icon

Freeze Well!

Kill 15 frozen aliens

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Unlocked 2011.06.13. 04:56.

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'Road Rage' achievement icon Secret achievement icon

Road Rage

Kill 15 aliens with the monster truck

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Unlocked 2011.06.12. 12:44.

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'Fork the Pork' achievement icon Secret achievement icon

Fork the Pork

Kill 6 aliens with the forklift

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Unlocked 2011.06.13. 04:49.

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'Dead Useful' achievement icon Secret achievement icon

Dead Useful

Kill 10 aliens with environmental explosives

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Unlocked 2011.06.12. 13:28.

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'Tosser... in the Literal Sense' achievement icon Secret achievement icon

Tosser... in the Literal Sense

Kill 10 aliens with tossed objects

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'Duke Angry, Duke Smash!' achievement icon Secret achievement icon

Duke Angry, Duke Smash!

Kill 15 aliens with melee attacks while on steroids

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'Noms' achievement icon Secret achievement icon

Noms

Eat 10 pieces of food during the SP campaign

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'On the Noggin'' achievement icon Secret achievement icon

On the Noggin'

Kill 30 aliens with headshots

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Unlocked 2011.06.13. 01:37.

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'Substance Abuser' achievement icon Secret achievement icon

Substance Abuser

Drink beer while on steroids or vice-versa in SP

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Unlocked 2011.06.11. 01:43.

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'Natural Disaster 3x' achievement icon Secret achievement icon

Natural Disaster 3x

Kill 3 aliens at once

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Unlocked 2011.06.12. 10:39.

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