The Mutational Achievements Here is the full list of all 5 The Mutational 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 What are achievement flags? Click to find outApply Master BuilderBuild more than 1000 defense objects. The EliteKill 1000 zombies in one sesssion A MillionKill more than 1000,000 zombies. BeginnerPlace more than 100 objects. Master KillerKill more than 10.000 Zombies