Alien Insanity Achievements Here is the full list of all 27 Alien Insanity achievements.Filter Achievement View View Image viewList view Sort by Won first then 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 AllWonNot wonLevel 1 UpPassed level 1 22 March 2020 - Add a guideLevel 2 UpPassed level 2 Locked - Add a guideLevel 3 UpPassed level 3 Locked - Add a guideMission 1 CompleteConquered alien ship Locked - Add a guideMission 2 CompleteLondon sewers cleansed Locked - Add a guideMission 3 CompleteAlien home world destroyed Locked - Add a guideLevel 4 UpPassed level 4 Locked - Add a guideLevel 5 UpPassed level 5 Locked - Add a guideLevel 6 UpPassed level 6 Locked - Add a guideLevel 7 UpPassed level 7 Locked - Add a guideLevel 8 UpPassed level 8 Locked - Add a guideLevel 9 UpPassed level 9 Locked - Add a guideLevel 10 UpPassed level 10 Locked - Add a guideLevel 11 UpPassed level 11 Locked - Add a guideLevel 12 UpPassed level 12 Locked - Add a guideLevel 13 UpPassed level 13 Locked - Add a guideLevel 14 UpPassed level 14 Locked - Add a guideLevel 15 UpPassed level 15 Locked - Add a guideLevel 16 UpPassed level 16 Locked - Add a guideLevel 17 UpPassed level 17 Locked - Add a guideLevel 18 UpPassed level 18 Locked - Add a guideLevel 19 UpPassed level 19 Locked - Add a guideLevel 20Passed level 20 Locked - Add a guideLevel 21Passed level 21 Locked - Add a guideLevel 22Passed level 22 Locked - Add a guideLevel 23Passed level 23 Locked - Add a guideLevel 24Passed level 24 Locked - Add a guide