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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.
✓ Supported
Solo Only
Unsupported
Keyboard & Mouse
Crowdsourced campaign length, extra objectives, and 100% completion metrics
Official high-resolution media gallery (10 screenshots)






Available game editions, collector bundles, Supporter Packs, and downloadable expansions
Official downloadable expansion or add-on content for Subnautica (Steam App ID #1619300).
Live pricing across official digital stores, historical lows, and subscription catalog availability
Honest player critiques with verified playtime and karma upvoting
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Troubleshooting guides, build recommendations and accepted solutions
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Key directors, leads, and game development studios