Show HN: Silent Shark – tactical map-based WWII submarine sim
Silent
Shark
Tactical map-based Pacific WWII subsim
Solve uncertainty with geometry. Track, approach, intercept, strike.
Windows · macOS · Linux
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Tactical Map First
Plot bearings, estimate target motion, and turn imperfect reports into an intercept.
Real Submarine Problems
Manage depth, speed, visibility, sea state, and the danger of being detected.
Manual Targeting
Identify ships, estimate range and angle-on-bow, then build the solution in the TDC.
Full Pacific Campaign
Run patrols through an evolving war shaped by radio intelligence and historical events.
How It Feels To Command
Track By Hydrophone
Track ships by sound alone from far away.
- Take bearings over time
- Plot a course to intercept
Identify The Target
Knowledge is your greatest weapon.
- Classify ships manually
- Estimate speed, length, and profile
Solve The Attack
Bearing, distance, speed, angle-on-bow.
- Every shot is a geometry problem
- Use the stadimeter to estimate range from mast height
Fire And Disappear
Commit to your solution.
- Flood tubes and configure your spread
- Check the gyro launch window
- Vanish before escorts respond
Authentic Instruments. Real Decisions.
Stadimeter Rangefinding
Measure mast height to derive range. Manual, fast, and error-prone.
Thermal Layers
Hide beneath temperature gradients based on actual WWII bathythermograph readings.
Authentic Instruments
Use period-inspired controls for speed, course, depth, observations, and fire control.
Dynamic Ocean Conditions
Time of day, haze, weather, and sea state all affect detection and attack.
The Full Game
Fight The Full Pacific War
Take command in 1941 and build a career across an evolving campaign of patrols, intelligence, and historical change.
- Assigned patrol zones and shipping lanes
- Radio contact reports and mission decisions
- Historical war events, equipment, and torpedo changes
- Reputation, six submarines, and technology upgrades
- Diving schedules, aircraft threats, and thermal layers
- Lifeguard missions to rescue downed airmen
- Large configurable convoys with intelligent escorts
- Cribbage, career milestones, and 32 Steam achievements
Choose Your Experience
Free Demo
- Playable in your browser or through Steam
- Tutorials and standalone encounters
- Core plotting, sensors, TDC, and torpedo systems
- Limited scenario generator
Full Game â Available now
- Full Pacific campaign and career progression
- All submarines, scenarios, and campaign systems
- Steam achievements and cloud saves
- Windows, macOS, and Linux
iOS, iPadOS, and Android versions are planned; release timing will be announced separately.
Latest From The Radio Room
Silent Shark Launches August 12
The 1.0 release brings the full Pacific campaign, patrol progression, lifeguarding missions, cribbage, and 32 achievements.
Read the announcementSound Now Travels Through The World
Distant gunfire and impacts arrive after realistic delays, alongside sharper plotting tools and major performance work.
Read the updateBinoculars, TBT, And AOB Training
A new visual-bearing station and recognition trainer make observation and manual targeting deeper and easier to practice.
Read the updateWhat Players & Press Are Saying
âFantastic breath of fresh air! [â¦] A very engaging tactical experience.â
Wolfpack345
âA fantastic idea that can only happen in the indie gaming space.â
Phenixx Gaming
Frequently Asked Questions
Is Silent Shark available now?
Yes. Silent Shark 1.0 is available now on Steam.
Which platforms are supported?
The Steam release supports Windows, macOS, and Linux. iOS, iPadOS, and Android versions are planned separately.
Can I play it now?
Yes. The free demo is playable instantly in your browser and is also available to download from Steam.
What is included in the full game?
The full game adds the Pacific campaign, patrol and career progression, six submarine classes, the complete scenario generator, historical events and upgrades, missions, and Steam achievements.
Is Silent Shark a 3D submarine simulator?
Silent Shark is centered on a tactical chart and period-inspired instruments. Periscope, binocular, hydrophone, and TDC stations support observation and attack without turning the game into a free-roaming 3D simulation.
Which languages are available?
The game supports English, French, Italian, German, Spanish, Korean, Brazilian Portuguese, Simplified Chinese, Ukrainian, and Japanese interfaces.
Source: hackernews