Cepheus Protocol Achievements Here is the full list of all 5 Cepheus Protocol 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 Into the Deep EndIt Begins.... Your first steps on Treasure Island And so it begins....Survive your first day on the island Build the Artillery UnitIts time to play boys... Didn’t go as planned…Lose the game Avid ListenerListen to a custom music track