Siege of Centauri Achievements Here is the full list of all 28 Siege of Centauri achievements.Filter Achievement View View Image viewList view Sort 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 Break the ShieldsBeat Caluck on Normal difficulty. From the AirBeat Chariah on Normal difficulty. Falling StarsBeat Ciacco on Normal difficulty. Branching OutBeat Circosta on Normal difficulty. Survive the NightBeat Epicurus on Normal difficulty. In the TrenchesBeat Gallehault on Normal difficulty. The SwarmBeat Lacuna on Normal difficulty. The AbominationBeat Malden on Normal difficulty. Against the OvermindBeat Malebolge on Normal difficulty. Against the SwarmBeat Nahant on Normal difficulty. Stop the HiveBeat Plain of Fire on Normal difficulty. The TaskmasterBeat Plutus on Normal difficulty. Against the NestBeat Styx on Normal difficulty. The TrialBeat Thurlos on Normal difficulty. Relentless AssaultBeat Dule on Normal difficulty. Defend the MountainBeat Ascent on Normal difficulty. Colony in a VolcanoBeat Sord on Normal difficulty. Stop the RushBeat Gaol on Normal difficulty. Protect the OutpostsBeat Rul on Normal difficulty. Scraping ByWin with less than 50 HP left on your colony. First BloodBeat Limbo. Fully UpgradedUpgrade a colony to level 3. Strike at the HeartDestroy the Heart of the Phoenix. Bring on MiltonBeat Holden on normal or higher Destroy the NestDestroy the Nest of the Queen. Destroy the HarbingerBeat Caina on normal or higher Destruction AvoidedBeat Sedge on normal or higher RevengeBeat the campaign on normal difficulty