Invader Signal Achievements Here is the full list of all 7 Invader Signal 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 wonBoom! x2Destroy 2 asteroid 11 August 2022 - Add a guideBoom!Destroy 1 asteroid 11 August 2022 - Add a guideBooooom!Destroy 3 asteroid Locked - Add a guideBoOoOm!Destroy 4 asteroid Locked - Add a guideBoomshakalaka!Destroy 5 asteroid Locked - Add a guideBoOmShAkAlAkA!Destroy 6 asteroid Locked - Add a guideBOOM!!!Destroy 7 asteroid Locked - Add a guide