1+1=？ Achievements Here is the full list of all 7 1+1=？ 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 Welcome to the Computing First Classroom!Welcome to the Computing First Classroom! Mammon Report!Mammon Report! Lucifer Report!Lucifer Report! Asmodeus Report!Asmodeus Report! Beelzebub Report!Beelzebub Report! Beelphegor Report!Beelphegor Report! Satan Report!Satan Report!