Gatling Gears Achievements Here is the full list of all 12 Gatling Gears achievements.Filter Achievement View View Image viewList view Sort by TrueSteamAchievement desc TrueSteamAchievement asc Achievement name desc Achievement name asc TSA Ratio desc TSA Ratio asc Gamers desc Gamers asc Steam order Date won desc Date won asc Flag Filter All None 12 Online/Offline 11 Single Player 12 Cooperative 4 Main Storyline 1 Difficulty Specific 1 Collectable 1 Shop Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply VeteranComplete all areas on the hardest difficulty Back to RetirementDefeat Julius Steelwell and save the world by destroying The Butler Green PeaceDon't push over any trees in Trespassers GladiatorClear all Survival mode arenas Second in CommandDefeat General Brutus by destroying The Excavator Survival of the FittestComplete a Survival mode arena without losing a life Mine! Mine! Mine!Don't take any damage from sea mines in Tide of Battle Iron ManLearn how to operate your walker and complete Bootcamp Thunder StruckDestroy all lightning harvesters in Fog of War Take it to the MaxFully upgrade your walker You Never Walk AloneComplete an area in co-op Can't Touch ThisComplete an area in Katharsis without getting hit