Mariana Achievements Here is the full list of all 6 Mariana 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 Not Anymore There's NotDefeat the spider crab in the caverns of the upper trench Bated BreathDefeat the Yerino The TruthView the Survivors Mural Why It Was ClosedOpen the gate in the lower trench Cnidarian NightmareDefeat Siphy The Strongest ResolveAchieve max health