Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
- Gladiator (25 points): Clear all Survival mode arenas.
- Survival of the Fittest (20 points): Complete a Survival mode arena without losing a life.
- Iron Man (10 points): Learn how to operate your walker and complete Bootcamp.
- Can't Touch This (30 points): Complete an area in Katharsis without getting hit.
- Back to Retirement (20 points): Defeat Julius Steelwell and save the world by destroying The Butler.
- Veteran (25 points): Complete all areas on the hardest difficulty.
- Green Peace (10 points): Don't push over any trees in Trespassers.
- Thunder Struck (10 points): Destroy all lightning harvesters in Fog of War.
- Mine! Mine! Mine! (10 points): Don't take any damage from sea mines in Tide of Battle.
- Second in Command (15 points): Defeat General Brutus by destroying The Excavator.
- You Never Walk Alone (10 points): Complete an area in co-op.
- Take it to the Max (15 points): Fully upgrade your walker.