Horde Slayer Achievements Here is the full list of all 20 Horde 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 Purple ShieldGot the purple shield mod. FireballGot the fireball spell. Superior FireballGot the superior fireball spell. Holy NadeGot the holy nade spell. Homing MissileGot the homing missile spell. Death RayGot the death ray spell. Double CastGot the double cast mod. Extra HeartGot an extra heart. Heaven PunishmentGot the heaven punishment spell. HomingGot the homing mod. InfernoGot the inferno spell. KochGot the koch spell. Crystal AttractorGot the crystal attractor spell. PentagramGot the pentagram spell. Spark BoltGot the spark bolt spell. VampirismGot the vampirism mod. Horde SurvivorSurvived the 10th horde. Getting StartedSurvived the first horde. Horde WatcherSurvived the 5th horde. Horde SlayerSurvived the 20th horde.