Zombie Survivors - Eternal Nightfall Achievements Here is the full list of all 10 Zombie Survivors - Eternal Nightfall 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 First BreathSurvive for 2 minutes Zombie SlayerDefeat 100 enemies Endurance FighterSurvive for 4 minutes Zombie HunterDefeat 200 enemies UnbreakableSurvive for 8 minutes Level Climber IReach level 20 Level Climber IIReach level 40 Survival ChampionSurvive for 12 minutes Conqueror of Fear IComplete Nightmare 1 Conqueror of Fear IIComplete Nightmare 2