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Subnautica official gameplay image
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Subnautica

Unknown Worlds Entertainment

Official page
ActivityUnavailableLast published snapshot
Steam reviewsNot reportedPublic review summary
Released20182018-01-23
Entry price$29.99Current US store price

About the game

Overview

Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.

Steam achievements

17 Steam achievements

View all

Official icons and latest reported global completion data, starting with the rarest.

"Man's Best Friend"12.0% unlocked
Go Among the Stars14.2% unlocked
Leave Only Time Capsules14.2% unlocked
Optimal Health17.4% unlocked
Fourteen Thousand Leagues Under the Sea18.5% unlocked
Thermal Activity19.0% unlocked

Official media

Gameplay screenshots

Steam Store
Subnautica official gameplay screenshot 2Subnautica official gameplay screenshot 3Subnautica official gameplay screenshot 4Subnautica official gameplay screenshot 5Subnautica official gameplay screenshot 6Subnautica official gameplay screenshot 7Subnautica official gameplay screenshot 8

Last 30 days · daily averages

Subnautica Steam player activity

Sep 83,853 avg playersOct 9

Historical snapshot · monthly averages

Subnautica long-term Steam player history

Through Aug 2026
Latest monthly average2.4KAug 2026
Month-over-month-43.5%-1,849 avg. players
Highest reported peak50.9KJan 2018
History covered128 monthsJan 2016 - Aug 2026
19.6K13.9K8.1K2.4KSep 25Jan 26Apr 26Aug 26
Aug 2026Average 2,400Peak 3,948-1,849 (-43.5%) vs prior month
Monthly average concurrent players. Hover the chart for each month's average, peak, and month-over-month change.
Monthly breakdown
12 reported months
MonthAvg. concurrentChangePeak concurrent
Aug 20262,400-1,849 (-43.5%)3,948
Jul 20264,249-3,805 (-47.2%)9,202
Jun 20268,054-11,570 (-59.0%)19,267
May 202619,623+10,794 (+122.2%)50,827
Apr 20268,830+4,279 (+94.0%)31,204
Mar 20264,551+718 (+18.7%)9,907
Feb 20263,832-1,535 (-28.6%)7,233
Jan 20265,367+961 (+21.8%)11,997
Dec 20254,406+1,442 (+48.7%)10,468
Nov 20252,964-298 (-9.1%)5,547
Oct 20253,262+48 (+1.5%)7,353
Sep 20253,213—6,833

Historical snapshot captured Aug 2026. It records average concurrent players, not monthly active users.

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