Sentinel 3: Homeworld Achievements Here is the full list of all 47 Sentinel 3: Homeworld 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 20Complete mission 20 of the original campaign 07 June 2025 - Add a guideMission 19Complete mission 19 of the original campaign 07 June 2025 - Add a guideSniper UpgradeFully upgrade a sniper turret 07 June 2025 - Add a guideMission 18Complete mission 18 of the original campaign 07 June 2025 - Add a guideMission 17Complete mission 17 of the original campaign 07 June 2025 - Add a guidePsycho MasterReach wave 150 in endless mode on psycho difficulty 07 June 2025 - Add a guidePsycho DefenderReach wave 100 in endless mode on psycho difficulty 07 June 2025 - Add a guideMissile UpgradeFully upgrade a missile turret 07 June 2025 - Add a guideMission 16Complete mission 16 of the original campaign 19 May 2019 - Add a guideMission 15Complete mission 15 of the original campaign 19 May 2019 - Add a guideLine Laser UpgradeFully upgrade a line laser turret 19 May 2019 - Add a guideMission 14Complete mission 14 of the original campaign 19 May 2019 - Add a guideMission 13Complete mission 13 of the original campaign 19 May 2019 - Add a guideMission 12Complete mission 12 of the original campaign 19 May 2019 - Add a guideMission 11Complete mission 11 of the original campaign 19 May 2019 - Add a guideMission 10Complete mission 10 of the original campaign 14 May 2019 - Add a guideMission 9Complete mission 9 of the original campaign 14 May 2019 - Add a guideBeam UpgradeFully upgrade a beam turret 14 May 2019 - Add a guideMission 8Complete mission 8 of the original campaign 13 May 2019 - Add a guideAlien SlaughterKill 10,000 aliens 13 May 2019 - Add a guideMission 7Complete mission 7 of the original campaign 13 May 2019 - Add a guideBooster UpgradeFully upgrade a booster turret 13 May 2019 - Add a guideMission 6Complete mission 6 of the original campaign 13 May 2019 - Add a guideMission 5Complete mission 5 of the original campaign 12 May 2019 - Add a guideMission 4Complete mission 4 of the original campaign 12 May 2019 - Add a guideBomb UpgradeFully upgrade a bomb turret 12 May 2019 - Add a guideSlow UpgradeFully upgrade a slow turret 12 May 2019 - Add a guideMission 3Complete mission 3 of the original campaign 12 May 2019 - Add a guideMission 2Complete mission 2 of the original campaign 12 May 2019 - Add a guideAlien KillerKill 1000 aliens 12 May 2019 - Add a guideMission 1Complete mission 1 of the original campaign 12 May 2019 - Add a guideLaser UpgradeFully upgrade a laser turret 12 May 2019 - Add a guideTurret ExpertUnlock all turrets Locked - Add a guideWeapon MasterUnlock all Sentinel weaponry Locked - Add a guideAble CommanderUnlock all commander abilities Locked - Add a guideHero CommanderReach maximum commander level Locked - Add a guideFlamer UpgradeFully upgrade a flamer turret Locked - Add a guideAerial Slow UpgradeFully upgrade an aerial slow turret Locked - Add a guideClassic Assault 1Classic map 1 has been completed in assault mode Locked - Add a guideClassic Assault 2Classic map 2 has been completed in assault mode Locked - Add a guideClassic Assault 3Classic map 3 has been completed in assault mode Locked - Add a guideClassic Assault 4Classic map 4 has been completed in assault mode Locked - Add a guideClassic Assault 5Classic map 5 has been completed in assault mode Locked - Add a guideClassic Assault 6Classic map 6 has been completed in assault mode Locked - Add a guideAlien MassacreKill 100,000 aliens Locked - Add a guideAlien ExtinctionKill 1,000,000 aliens Locked - Add a guideTurret SpammerComplete a classic assult level without upgrading any turrets Locked - Add a guide