Players now
0
▼ 100.0%vs 24h ago · updates every minute
Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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80% positive of 5 · 5 user reviews · Live from Steam
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Free on Steam. The demo has its own app, so its players are counted separately.
A deep, detailed combat submarine simulator with a lo-fi aesthetic. Manage crew, nuclear reactor, radio, sonar, radar and power all while remaining undetected and completing the mission.
Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 80% today (5 reviews)
Games we track that share the most Steam tags with this one.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Changed: Windows, Linux (2 downloads)
Patch notesSubSurvival v1.1.1 — stability and quality of life
Changed: Windows, Linux (2 downloads)
Patch notesSubSurvival v1.0.2 — Pannable chart and Windows freeze fixes
Beta Testing
This patch focuses on the two most requested improvements: planning where the boat goes, and hearing what is out there. PLOT A COURSE • Click ADD WPT and place multiple waypoints — the boat follows them in order. • Every leg remembers the speed and depth you h…
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
1 item on Steam, newest first.
