Sumerian Six Achievements Here is the full list of all 32 Sumerian Six 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 Löwenfels CastleBeat the Löwenfels Castle level LillebyBeat the Lilleby level Madinat AldaalaBeat the Madinat Aldaala level Al-Bhutan Oil DepotBeat the Al-Bhutan Oil Depot level Prototype Testing SiteBeat the Prototype Testing Site level Gis-ErenBeat the Gis-Eren level Kammler's Secret BaseBeat Kammler's Secret Base level Kammler's Underground ComplexBeat Kammler's Underground Complex level Site of SacrificeBeat the Site of Sacrifice level LieutenantBeat all missions on any difficulty level GeneralBeat all missions on Medium difficulty or higher Field MarshalBeat all missions on Hard difficulty Hey, Sis!Isabella Sterling reluctantly joined forces with her brother Acerbic PersonalityRosa Reznick agreed to help stop that fool, Kammler Bear with MeWojtek Galica and his beast joined the Enigma Squad Daddy IssuesAlistair Sterling decided to join the action in person Face Your Inner DemonsSiegfried von Adelsberg received a (somewhat lukewarm) welcome back to Enigma Squad Where Is Your God Now?Hans Kammler has been defeated - for good A New Challenger Has AppearedComplete your first Challenge Challenge AcceptedComplete 10 Challenges Hardly a ChallengeComplete 30 Challenges You Dare Challenge Me?Complete all Challenges I Want My ScalpsKill 100 enemies Stamp 'em OutKill 500 enemies Kill All NazisKill 1000 enemies Can OpenerKill your first Panzerwolf Ghost BusterKill your first Geist Apage SatanasKill your first Demon That's not up to CodeKill at least 5 enemies with a single environmental kill Gorge of Eternal PerilLaunch an enemy into a chasm Nothing to See HereEnd an alarm by killing every enemy in the area Enigma Squad CertifiedFully upgrade All Skills