Complete an area in Katharsis without getting hit
Defeat Julius Steelwell and save the world by destroying The Butler
Complete all areas on the hardest difficulty
Complete a Survival mode arena without losing a life
Learn how to operate your walker and complete Bootcamp
Defeat General Brutus by destroying The Excavator
Complete an area in co-op
Fully upgrade your walker
Don't push over any trees in Trespassers
Destroy all lightning harvesters in Fog of War
Don't take any damage from sea mines in Tide of Battle
