Keep Them Sleeping Achievements Here is the full list of all 8 Keep Them Sleeping 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 Too easyComplete a game on casual difficulty with at least one survivor. You call that a score?Complete a game with a score of 1000 or more. It's somethingComplete a game on normal difficulty with at least one survivor. That's a little better...Complete a game with a score of 2000 or more. Everyone made it!Have everyone survive in a casual game. Now that's a score!Complete a game with a score of 3000 or more. That's everything!Finish a game with all processor and sub-programs unlocked. Kept them sleeping!Have everyone survive in a normal game.