One Gun 2: Stickman Achievements Here is the full list of all 20 One Gun 2: Stickman 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 ButcherKill hell boss Skeleton killerKill dungeon boss MechanicKill city boss From hellComplete all points in the hell at level 3 Dungeon hunterComplete all points in the dungeon at level 3 Man in the streetComplete all points in the city at level 3 Meat workshopKill hell boss level 2 SlaughterhouseKill hell boss level 3 Bone kingKill dungeon boss level 2 Yogurt lover dadKill dungeon boss level 3 EngineerKill city boss level 2 I am machineKill city boss level 3 FisherKill ocean boss PoacherKill ocean boss level 2 FishkillerKill ocean boss level 3 SubmarinerComplete all points in the ocean at level 3 Star HunterKill space boss Star RipperKill space boss level 2 Star LordKill space boss level 3 Lord of spaceComplete all points in the space at level 3