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Modern Naval Warfare
Command the silent service. Modern Naval Warfare is the definitive tactical simulation that puts you inside the pressure hull of a Virginia-Class nuclear submarine. This uncompromising tactical simulation offers unparalleled depth in graphics, physics, and authentic combat systems.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“If your are a hard core sub sim type, then this title is for you. I am a submarine sonarman veteran who served aboard two U.S. 688 class submarine and this game brings me back to the those days of deployment in the sonar shack.”
— a player, Steam review · 10 hrs played“This is the absolutely best unplayable game I own. Please tell me when its ready.”
— a player, Steam review · 8 hrs played“fun”
— a player, Steam review · 34 hrs playedPlayer activity
Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Dev Diary #3
Commanders, Admiral Kraken here with another tactical briefing on the latest build arriving to your sub-surface fleet. Our engineering officers have been hard at work expanding operational onboarding,
Bridge Systems & QoL Update
Submariners, today, we are thrilled to deploy this new technical update directly to your command consoles. Below is the complete list of fixes, features, and known issues included in today's build ( 0
Dev Diary #2
Commanders, Admiral Kraken here with another tactical briefing on the latest updates heading to your sub-surface fleet. Our engineering team has been hard at work polishing station interfaces, refinin
Documentation Update: New Manuals & TMA Guide
Hi Submariners. While the dev team is taking a short break, we wanted to drop a major documentation update to keep your tactical skills sharp. Our public documentation server has just been updated wit
Tactical Systems & Fleet Readiness Update
Submariners, today, we are thrilled to deploy this new technical update directly to your command consoles. Below is the complete list of fixes, features, and known issues included in today's build ( 0
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Simulation, Strategy, Early Access |
| Player tags | Early Access · Simulation · Submarine · Naval Combat · Realistic · Immersive Sim · Military · Combat · Singleplayer · Naval · War · Open World (Steam store community voting) |
| Features | Single-player · Family Sharing |
| Languages | English * , French, German, Simplified Chinese, Polish, Russian, Spanish - Spain, Greek, Romanian * |
| Official site | https://www.matrixgames.com/game/modern-naval-warfare |
Minimum system requirements (PC)
Minimum: OS: Windows 10 64bit Processor: Intel or AMD 3.0 Ghz+ with 4 cores (e.g. Intel Core i5-6600 or AMD Ryzen 3 2200G) Memory: 16 GB RAM Graphics: Discreet GPU with 4 GB (e.g. Nvidia GTX 1650 Super or AMD RX 5600 XT) DirectX: Version 11 Storage: 15 GB available space