Zombies Achievements Here is the full list of all 12 Zombies 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 Getting your feet wetSurvive to round 5 Starting strongKill a total of 25 zombies BloodthirstyKill a total of 50 zombies BloodlustKill a total of 100 zombies Getting your knees wetSurvive to round 10 Waist deepSurvive to round 25 Just getting startedReach level 2 Having funReach level 5 Really enjoying yourselfReach level 10 Now thats dedicationReach level 25 psychopathKill a total of 250 zombies Clean feetReset your stats