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 wonMission 3 CompleteAlien home world destroyed 14 August 2020 - Add a guideLevel 24Passed level 24 14 August 2020 - Add a guideLevel 23Passed level 23 14 August 2020 - Add a guideLevel 22Passed level 22 14 August 2020 - Add a guideLevel 21Passed level 21 14 August 2020 - Add a guideLevel 20Passed level 20 14 August 2020 - Add a guideLevel 19 UpPassed level 19 14 August 2020 - Add a guideLevel 18 UpPassed level 18 14 August 2020 - Add a guideLevel 17 UpPassed level 17 14 August 2020 - Add a guideLevel 1 UpPassed level 1 14 August 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 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 guide