Nightmare Game Achievements Here is the full list of all 23 Nightmare Game 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 Achievement Completion 01(Beck END 01)Complete Beck Story 1 Achievement Completion 02(Beck END 02)Complete Beck Story 2 Achievement Completion 03(Amy END 01)Complete Amy Story 1 Achievement Completion 04(Amy END 02)Complete Amy Story 2 Achievement Completion 05(Lorraine END 01)Complete Lorraine Story 1 Achievement Completion 06(Lorraine END 02)Complete Lorraine Story 2 Achievement Completion 07(Bart END)Complete Bart Story Achievement Completion 08(Kim END)Complete Kim Story Achievement Completion 09(Simon END)Complete Simon Story Achievement Completion 10(Carl END)Complete Carl Story Achievement Completion 11(Rock END)Complete Rock Story Achievement Completion 12(Beck END 03)Beck enters the password gate Beck Story OpeningClick Beck to enter the game Rock Story OpeningClick Rock to enter the game Carl Story OpeningClick Carl to enter the game Simon Story OpeningClick Simon to enter the game Bart Story OpeningClick Bart to enter the game Lorraine Story OpeningClick Lorraine to enter the game Amy Story OpeningClick Amy to enter the game Kim Story OpeningClick Kim to enter the game Enter the Last StoryOpen the Password Story Beck Another EndingBeck has a hidden ending when he enters the password gate Game CompletionComplete the final unlock story