Artificial Defense Achievements Here is the full list of all 16 Artificial Defense 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 Offense CertificateComplete the Offense Tutorial Defense CertificateComplete the Defense Tutorial Conquer CertificateComplete the Conquer Tutorial Subsystem SpecialistComplete at least 4 challenges System CorporalComplete at least 8 challenges System SergeantComplete at least 12 challenges System MajorComplete at least 16 challenges Mainframe OfficerComplete at least 20 challenges Mainframe LieutenantComplete at least 24 challenges Mainframe CommanderComplete at least 28 challenges Mainframe CaptainComplete at least 32 challenges Mainframe ColonelComplete at least 36 challenges Core AdministratorComplete at least 40 challenges Core SupervisorComplete at least 44 challenges Core ExecutorComplete at least 48 challenges ZeusComplete all challenges