| Achievement | How to unlock
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|---|
| Back to Retirement | Defeat Julius Steelwell and save the world by destroying The Butler.
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| Can't Touch This | Complete an area in Katharsis without getting hit.
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| Gladiator | Clear all Survival mode arenas.
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| Green Peace | Don't push over any trees in Trespassers.
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| Iron Man | Learn how to operate your walker and complete Bootcamp.
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| Mine! Mine! Mine! | Don't take any damage from sea mines in Tide of Battle.
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| Second in Command | Defeat General Brutus by destroying The Excavator.
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| Survival of the Fittest | Complete a Survival mode arena without losing a life.
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| Take it to the Max | Fully upgrade your walker.
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| Thunder Struck | Destroy all lightning harvesters in Fog of War.
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| Veteran | Complete all areas on the hardest difficulty.
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| You Never Walk Alone | Complete an area in co-op.
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