Battleship Avalon Achievements Here is the full list of all 14 Battleship Avalon 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 Win Game - HardWin the game on Hard difficulty Win GameWin the game by having the highest score at the end date or beating every other government Win Game - Very HardWin the game on Very Hard difficulty Win Game - LegendaryWin the game on Legendary difficulty An achievement for controlling 100 starsControl 100 star systems Half the StarsControl half of the star systems in the galaxy Half the Stars 2Control every star in the galaxy SolControl Sol Reclaim EarthComplete the mission to make Earth habitable again MissionComplete any mission Half a MillionHave a (outside of Marine, Alpha Centauri) with 500,000 people One MillionHave a (outside of Marine, Alpha Centauri) with 1,000,000 people Black HoleControl Sagittarius A* MetropoleEnd the game with the highest GDP while controlling only a single star system that isn't Marine or Earth