Spectrum Siege Achievements Here is the full list of all 7 Spectrum Siege 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 Total AnnihilationWipe out the competition Master of the GridWin on the max size board Aggression MasteredWin a game on Aggressive level Unexpected VictoryA new NPC wins the game Against the ClockWin a game in Time mode Getting StartedEvery legend starts somewhere Too Hot to HandleWin a game in Hot Seat mode