Horror Nightmare Collection Achievements Full list of all 8 Horror Nightmare Collection achievements.The base game contains 6 achievements, and there is 1 DLC pack containing 2 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 DLC Packs Group DLC packs together in list DLC Filter AllOwnedNone What are achievement flags? Click to find outApply Base Base Game (Excludes DLC) 61 6 119 (82%) Evil CrowComplete Evil Crow LockedForsaken PrisionComplete Forsaken Prision LockedPauls Lost RemainsComplete Pauls Lost Remains LockedHaunted MineComplete Haunted Mine LockedTerror GnomeComplete Terror Gnome LockedPort To HellComplete Port To Hell Locked Add-on Unknown Pack 36 20 2 21 (50%) Deep SOUPComplete Deep SOUP LockedTerminal FleshComplete Terminal Flesh Locked