Sinister Achievements Here is the full list of all 13 Sinister 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 Rat KillerKill a rat. Firepower!Buy the Pistol. Walkin' Around AimlesslyTalk with the Basement Rat. Gold Hoarder IHave 100 Gold in your inventory. Gold Hoarder IIHave 750 Gold in your inventory. Gold Hoarder IIIHave 2500 Gold in your inventory. Checkpoint!Use a checkpoint to save your progress. Outside!Exit the Bunker. Death ExperimentDefeat the "Anomaly". GG.Complete Sinister Chapter 1. More Firepower!Buy the Machine Gun. Tentacles!Defeat the "Experiment 012". Gambler MomentFind the GOLDEN KEYCARD slot machine and get any win.