Posted on 14 February 17 at 20:41daysocks has just submitted some Achievement Flag Info for Subnautica Achievements:You can view the flags they submitted here: Flag submission by daysocks for Subnautica
Posted on 18 February 17 at 09:55Thanks for your submission, we didn't apply the missable tag as the game is still in early access and this achievement can be obtained for now, Once the game is released and they remove access to this achievement it will be changed to discontinued. :)