Subnautica Subnautica is an underwater, open-world adventure game set on an alien ocean planet. It is currently available on Steam: http://store.steampowered.com/app/264710/ Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines, terraform voxel terrain, and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - All while trying to survive. Subnautica’s popular tracks Abandon Ship by Subnautica published on 2016-03-27T10:23:13Z Leviathan by Subnautica published on 2017-06-21T13:03:56Z Red Alert by Subnautica published on 2017-04-28T06:18:59Z Seamoth by Subnautica published on 2015-09-10T14:02:27Z Habitat by Subnautica published on 2015-09-03T08:20:52Z Crash Site by Subnautica published on 2015-09-03T08:32:47Z Sun & Moons by Subnautica published on 2016-01-14T14:53:02Z Void by Subnautica published on 2017-08-23T11:07:41Z Exosuit by Subnautica published on 2016-08-23T12:39:42Z Dive Buddy by Subnautica published on 2017-09-14T11:28:45Z Alterra Science by Subnautica published on 2015-09-03T08:25:49Z Infected by Subnautica published on 2017-03-02T13:02:43Z Arc Lights by Subnautica published on 2015-11-05T14:14:34Z Sunbeam by Subnautica published on 2016-12-15T12:52:41Z Ghosts by Subnautica published on 2016-10-27T13:14:07Z Docking by Subnautica published on 2017-01-26T14:59:03Z Crashed Ship With Creatures by Subnautica published on 2015-09-03T07:56:32Z Electromagnetic Pulse by Subnautica published on 2015-09-10T13:56:45Z Birds by Subnautica published on 2015-09-10T13:53:54Z Coral Reef Nighttime Concept by Subnautica published on 2015-09-03T07:54:44Z Torpedo Firing by Subnautica published on 2015-09-10T13:55:20Z Submarine Interior Concept by Subnautica published on 2015-09-03T08:09:50Z Coral Reef Concept by Subnautica published on 2015-09-03T08:06:56Z Mech Interior Concept by Subnautica published on 2015-09-03T07:50:44Z