Battle For Cosmos Achievements Here is the full list of all 5 Battle For Cosmos 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 First StepsComplete the first level. BuilderUnlock a new building. Skull collectorCollect all the skulls. Galactic EmperorComplete the last level in the skull galaxy. Asteroid ManiacDestroy a 1000 asteroids.