Zombie Builder Defense Achievements Here is the full list of all 9 Zombie Builder Defense 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 The Skeleton BrothersDefeated Level 10 Boss Click Click BoomDefeated Level 20 Boss Haste Makes WasteDefeated Level 30 Boss The Grand FinaleDefeated Level 40 Boss Rookie BuilderReach Player Level 10 Average CraftsmanReach Player Level 20 Expert EngineerReach Player Level 30 Master BuilderDefeat The Final Boss After Reaching Player Level 30 Bombing RunSurvived Level 25