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Watch trailer on Steam ↗Silent Depth 3D Submarine Simulation
Codeknitters · Published by Codeknitters · Official site ↗
Mixed — 64% positive (80 reviews) · 8 achievements
Last updated 27 Sept 2026
Submarine Simulation playing in WWII in the Pacific.
DJCTQ l
-50%
£4.25
£8.50Lowest price we've ever recorded
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£4.25£8.50
Price history
3 Sept 2026Lowest: £4.25 · Highest: £4.2511 Oct 2026
Indie, Simulation, Strategy · 2018 · More under £5 games
Navigate the treacherous waters of World War II as you command a submarine in Silent Depth 3D. This immersive simulation from Codeknitters challenges your strategic skills with its detailed underwater environment and tense combat scenarios.
About this game
Welcome to Silent Depth, a WWII 3d submarine simulation for your PC.
Being a member of the Silent Service of the US Navy you take command of a Gato/Balao class submarine and go on extended patrols in the dangerous waters of the Pacific in world war II. Your task is to attack Japanese merchant ships without being caught by destroyer escorts either using your torpedo weapons or your deck gun in a realistic environment. Control your submarine, use your strengths and find the weak spots of your enemy. Only that way you have a chance to survive this thrilling 3d simulation. Run silent, run deep!
Features:
We'll be glad to receive feedback, though, before committing any bad ratings, think about telling us, so we can find a solution together!
Being a member of the Silent Service of the US Navy you take command of a Gato/Balao class submarine and go on extended patrols in the dangerous waters of the Pacific in world war II. Your task is to attack Japanese merchant ships without being caught by destroyer escorts either using your torpedo weapons or your deck gun in a realistic environment. Control your submarine, use your strengths and find the weak spots of your enemy. Only that way you have a chance to survive this thrilling 3d simulation. Run silent, run deep!
Features:
- Real day/night cycles with realistic sun/moon/star settings and lighting
- Different weather conditions with changed visibility (including fog, rain)
- Realistic water
- A huge world: The whole Pacific!
- Realistic damage models, repair your submarine, prioritize your tasks dependent whether your submarine is surfaced or not
- Sink enemy ships with torpedoes or your deck gun
- More than 10 different ships to encounter like battleships, carriers, destroyers, cruisers, tankers, troop transporters, freighters, submarines
- Different kind of fleets, single targets, with and without escorts are being generated
- Three difficulty levels
- Different water quality settings depending on your hardware
We'll be glad to receive feedback, though, before committing any bad ratings, think about telling us, so we can find a solution together!
System Requirements
Will my PC run this? →Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: XP
- Processor: Intel Atom
- Memory: 2 GB RAM
- Graphics: DirectX 9
- DirectX: Version 9.0c
- Storage: 250 MB available space
Recommended
Recommended:
- Requires a 64-bit processor and operating system
- OS: 7
- Processor: Core i5
- Memory: 4 GB RAM
- Graphics: DirectX 9
- Storage: 2 GB available space
Supported Languages
English*
*languages with full audio support
*languages with full audio support
Latest news
Patch NotesOfficial
New (little) update is out!
Dear all, we've just released a patch with the following changes: fixed not correctly working torpedo reloading when returning to base fixed spelling errors fixed temperature gauge fixed issues with wider screens fixed possible loading errors changed some graphics Thank you so much for your patience over all the time. We've had quite some difficult times in the past even though that doesn't excuse our absense. All the best to you and your families and have a fantastic 2021!Read full article on Community Announcements (Codeknitters)AnnouncementsOfficial
Small fix published
Dear all, we just released a small patch which enables the visibility of running torpedoes on the map again. We continue to work on further updates.Read full article on Community Announcements (Naval Sims)Press Coverage
Unknown Pleasures: By Land, Air, and Sea
You’re in for an “I can’t think of an intro” intro, viewers, because the last fortnight has kept me busy with the second most important thing I’ve ever done in my life. I don’t know about you, but while the world seems to be on a downward slide, things have been looking pretty great for me lately. When the bombs fall I shall surely rule the Wasteland, and have my minions rebuild, that we may finally get through our game backlogs. The most important thing, of course, was to play another pile of new Steam releases, and tell you which ones are the best. It is time for more Unknown Pleasures Transforming lives this week: birdless flights, branching fan narratives, and three wrongs making a right. (more…)Read full article on Rock, Paper, ShotgunPatch NotesOfficial
Another small update is out!
Dear all, we roll out another update which fixes some nasty load/save issues which could happen under some circumstances. BUGFIX: - fixed unnecessary saving when pausing the game - fixed loading/saving issues - fixed wrong positioning of training target ADDED: - logging for further bug investigationRead full article on Community Announcements (Naval Sims)AnnouncementsOfficial
Fixes and graphics updates!
Hey there, our first update is there. This is basically a patch release: BUGFIX: - fixed critical save/load positioning bug - fixed wrong contact detection angles (were almost always behind the sub) CHANGED: - stop watch for torpedoes - texture of Midway - lowered the detection range for enemy ships - clock graphicsRead full article on Community Announcements (Naval Sims)
