Abyss Cave Achievements Here is the full list of all 16 Abyss Cave 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 FirstEnterAbyssKilled first installment of enemies. KillingSpreeKilled 100 enemies. OneAgainstManyKilled 500 enemies IamSpartanKilled 9,000 enemies. DestroyerAnnihilated over 10 enemies at one time. ExplorerDiscovered 5 Relic Gears. AdventuerDiscovered 30 Relic Gears. HunterKilled 5 dragons. DragonSlayerKilled 30 dragons. EliteGearComplete gear upgrades. DiscoverMysteryLandFound 3 hides SuperZeroCompleted robot upgrading IronDefenseUnlocked Medium Turret DangerousGameUnlocked Missile Open FireUnlocked Advanced Turret. Defense ExpertTill the base is repaired, less than 10 Turrets are damaged