Subnautica Achievements Here is the full list of all 17 Subnautica achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.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 Flag Filter All None 20 Offline Mode 20 Single Player 7 Main Storyline Link flagsOR joinAND join Achievements without these flags What are achievement flags? Click to find outApply Getting Your Feet WetDive for the very first time Extinction Event AvoidedRepair the Aurora reactor Ancient TechnologiesFind the Enforcement Platform Thermal ActivityFind the Thermal Plant Follow the Lost RiverFind the Disease Research Facility Fourteen Thousand Leagues Under the SeaFind the Primary Containment Facility Optimal HealthCure the infection Leave Only Time CapsulesCreate and deploy a time capsule 1 guideSeaside Living with an Ocean ViewFind the Degasi habitat on the floating island Follow the DegasiFind the Degasi habitat in the jellyshroom caves SeamonstersFind the Degasi habitat in the deep grand reef 1 guideSettling in for the Long HaulBuild a habitat Personal PropulsionBuild a seamoth 40-foot Sub For OneBuild a cyclops Ordered the PrawnBuild a prawn suit Go Among the StarsLaunch the neptune rocket "Man's Best Friend"Hatch and release a Cuddlefish 1 guide