Watertight Achievements Here is the full list of all 5 Watertight 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 Power RestoredBring the submarine’s lights back online. Under PressureStabilize the submarine’s pressure system. False DeathKilled in the dark, yet the story goes on. Embrace the LightStep beyond the hallucination and face the truth. Shattered MindReach zero sanity for the first time.