Interstellar Invaders Achievements Here is the full list of all 8 Interstellar Invaders 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 wonTutorial completeNice work, but the fun is just beginning. 11 September 2019 - Add a guideTrying new thingsYou gave the game a try. Good for you. 11 September 2019 - Add a guideHalfway pointYou've gotten half-way through Interstellar Invaders. Don't stop now! Locked - Add a guideYou're a winner (not a weiner)You have beaten the game - have a hot dog! You've also unlocked a new gameplay mode... Locked - Add a guideQuantum Player Locked - Add a guideUpside-down Winner (Minneb) Locked - Add a guideWacky win Locked - Add a guideInside-out win Locked - Add a guide