By: Stardust Smithy
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Pilot a submarine in a horrific, deep sea expedition. Study the monsters the lurk below and look for their signs. Adjust your speed, noise and light levels to scare off, or hide from whatever you think is out there. Poor judgment will lead to a watery grave.
PC (Microsoft Windows) · Aug 21, 2025
Worldwide · Exact date · Full release · IGDB
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18 achievements available.

Clear Mission 1 without the submarine taking any damage.
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Clear Mission 2 in under 9 minutes.
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Clear Mission 3 with the bottom floor flooded with water.
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Clear Mission 4 without closing any hatches.
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Clear Mission 5 without ever reactivating the lights.
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Clear Mission 6 while the submarine has an active fire.
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In Mission 7 reach the target with the submarine condition in 'Danger', then return to the surface.
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Collide with the Ocean floor on Mission 8.
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Clear Nightmare without being attacked by a single monster.
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Clear Challenger Deep.
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