Slayer Achievements Here is the full list of all 3 Slayer 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 Killer!Kill 25 Zombies Solo Or Co-Op! Potion Master!Acquire Your First Potion Upgrade Solo Or Co-Op! Demolition Man!Unlock A New Area Solo Or Co-Op!