Screenshots
Watch trailer on Steam ↗Sovereign Strike: Submarine Supremacy
Pepper Games · Published by Pepper Games
Last updated 28 Sept 2026
Become the captain of a Los Angeles-class attack submarine. Strike without warning, sink enemy ships with different torpedoes, dominate the global rankings, and explore a living underwater world packed with historical wrecks and forgotten secrets. Fast, tactical, and fun submarine warfare.
Action, Simulation, Strategy, Casual · 2026 · More free games
About this game
Sovereign Strike: Submarine Supremacy is a tactical submarine simulator. It is designed for players who crave thrilling naval combat without the burden of thick technical manuals.
You are the captain of a powerful Los Angeles-class nuclear attack submarine. Your mission is straightforward and addictive: hunt down and destroy enemy fleets, climb the global rankings, and bring glory to your nation.
Choose your side and battleground:
Small lake — for fast, intense skirmishes
Vast open sea — for epic, large-scale confrontations
Every location is based on real-world sites — from the crystal-clear waters of Crater Lake(USA) to the stunning depths of the Red Sea.
Select your adversary and strike without warning. The more enemy tonnage you send to the ocean floor, the higher you and your nation rise in the worldwide rankings — while your rivals sink in defeat.
Appear where you are least expected. Launch devastating torpedo salvos, then slip away into the safety of the depths. But the enemy is no pushover: their fleets include heavily armed warships, lightning-fast patrol boats, and cunning enemy submarines that can hunt you even in the darkest waters. Stay alert — even when you think you're safe, depth charges may still rain down from above.
Master your arsenal wisely:
Heavy torpedoes to crush cruisers and destroyers
Plasma torpedoes to stop high-speed vessels in their tracks
Light torpedoes for versatile finishing blows
When the battle ends, the ocean becomes your playground. Explore a living underwater world filled with wonders and secrets:
Encounter prehistoric sea monsters
Discover shipwrecks from violent storms and historic wars
Find crashed aircraft that never reached their destinations
Unearth entire submerged cities hidden from the surface world
Get close enough, and you’ll uncover exactly how these relics met their fate. Curious where the remains of Saint Matthew or Genghis Khan rest? The depths hold many surprises.
Key Features
Intuitive tactical submarine control
Real-time naval battles with high tension
Real-world locations from around the globe
Unique underwater artifacts and historical wrecks
Dynamic campaign where your actions shape the rankings
Realistic day-night cycles that affect visibility and tactics
System Requirements
Will my PC run this? →Minimum
- OS: Windows 10
- Processor: Intel Core 3 or AMD Ryzen 3
- Memory: 8 GB RAM
- Graphics: Integrated graphics
- DirectX: Version 12
- Storage: 40 GB available space
Recommended
- OS: Windows 11
- Processor: Intel Core 5 or AMD Ryzen 5
- Memory: 16 GB RAM
- Graphics: NVIDIA RTX 5070 12GB or AMD Radeon RX 9070 / RX 9060 XT 16GB
- DirectX: Version 12
- Storage: 40 GB available space
Supported Languages
*languages with full audio support
Latest news
AnnouncementsOfficial
New Map: Qarokul
Twenty-five million years ago, a massive meteorite slammed into the eastern Pamir at nearly 4,000 meters above sea level, carving out the stunning mountain lake known as Qarokul.High salt content makes the water lifeless — yet breathtakingly beautiful. Ancient glacial remnants still rest on the lakebed, creating a haunting underwater landscape perfect for submarine warfare. Map HighlightsSmallest playable map in the game (excluding the training Crater Lake)Limited to boats and submarines only — fast, deadly, close-quarters combatComplex meteorite crater terrain is your greatest allyThe map is naturally divided into two distinct basins by a large southern peninsula and the opposing North Island. These areas are connected by two narrow straits — perfect choke points for deadly ambushes. Tactical Tips:Control the straits. Set up devastating ambushes, but never let yourself get trapped there.The southern bay offers excellent hiding spots for stealthy players.If you're discovered in the bay, escape routes are limited — prepare to counterattack aggressively.Qarokul rewards smart positioning, map knowledge, and bold close-range engagements. Whether you're hunting in the depths or launching lightning strikes from the straits, this high-altitude crater lake is going to deliver some of the most intense battles yet.Get ready to dive into Qarokul — coming soon to the game!What do you think of the new map? Drop your favorite ambush spots in the comments below!Read full article on Community Announcements (PhantomSub)AnnouncementsOfficial
New Location Revealed: Crater Lake
Captains, we’re excited to begin the official Locations series!For your training grounds, we’ve chosen one of the most spectacular places on Earth — Crater Lake.Located in Oregon, USA, this volcanic lake is small in surface area but incredibly deep — nearly 600 meters. Nestled inside the magnificent caldera of an ancient volcano, it offers the perfect natural arena to master your torpedo skills against both surface and underwater targets.In Crater Lake you’ll train by engaging moving mock-ups of enemy submarines and fast patrol boats. Hone your aim, perfect your timing, and get comfortable with every aspect of combat. Don’t Miss:While training, keep an eye out for the lake’s most famous resident — the “Old Man of the Lake”, a vertical standing log that has been floating upright for over 120 years. Feel free to use it for target practice… though we probably shouldn’t encourage that.Take as much time as you need. Circle the picturesque central island several times to master submarine handling, practice your torpedo runs until they’re second nature, and when you’re ready — you’ll be fully prepared for real combat.Read full article on Community Announcements (PhantomSub)AnnouncementsOfficial
Leaderboard Development Underway!
What to Expect:The leaderboard will feature two modes.Local Leaderboard: Keep track of your personal best records and see how you’re progressing.Global Leaderboard: Compare your achievements with the best submariners from around the world. Rankings will be calculated for daily, weekly, monthly, and yearly periods. Each table will display the Top 10 leaders with their scores and national flags.We’re also considering whether to show submarine names and locations in the rankings — let us know what you think! The Heart of the FeatureThe most exciting part of the Global Leaderboard is the national ranking. You’ll be able to follow your country’s position and see your personal contribution to its growing power and glory. There’s nothing quite like seeing your flag flying high above the rest, is there? We’ll keep you updated as development progresses. This is just the beginning — more details and screenshots coming soon!Ready to climb the ranks and bring honor to your nation? Let us know in the comments!Read full article on Community Announcements (PhantomSub)
