Single-player games like War on the Sea
Below are 9 single-player Steam games similar to War on the Sea, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like War on the Sea page.
Ranked picks
- 1

Ultimate Admiral: Dreadnoughts
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy and Simulation with War on the Sea.
Design warships the way you want them, command fleets, win the naval arms race for your nation!
- 2

Battlestations Pacific
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy with War on the Sea.
Experience one war through two epic sagas where you will be a part of history or change it. Feel the power of the historically authentic and decisive battles of the Pacific War. Relive some of the grandest and most critical naval battles of recent history and for the first time, choose to lead your fleet to a completely different ending...
- 3

Sea Power : Naval Combat in the Missile Age
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy and Simulation with War on the Sea.
From the lead designer of Cold Waters, Sea Power lets you control NATO and Warsaw Pact forces in modern naval conflict campaigns. Use your advanced naval weaponry and sensors to respect rules of engagement and defeat the enemy forces in a tense fight for initiative and air/naval supremacy.
- 4

Cold Waters
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy and Simulation with War on the Sea.
Spiritual Successor to the Microprose Classic “Red Storm Rising”.
- 5

UBOAT
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy and Simulation with War on the Sea.
UBOAT is a simulator of a submarine from WWII era. It is a survival sandbox with crew management mechanics while its primary theme is life of German sailors. The boat is their home, but it can become their grave at any time.
- 6

Atlantic Fleet
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy and Simulation with War on the Sea.
Turn based tactical and strategic naval combat. Atlantic Fleet puts you in command of the Allies or Kriegsmarine (German Navy) in the longest military campaign of WWII, The Battle of the Atlantic.Take command of surface ships, submarines as well as carrier and land based aircraft in the deadly struggle for control of Atlantic shipping...
- 7

Steel Division 2
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Strategy and Simulation with War on the Sea.
Steel Division 2 is a historically-accurate WW2 real-time strategy game set on the Eastern Front. Features 1:1-scale turn-based army management and real-time tactical battles with thousands of men at your order.
- 8

Silent Hunter® III
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Simulation with War on the Sea.
The king of submarine simulations returns with an all-new 3D engine, new crew command features, and more realistic WWII naval action than ever before. The movie-like graphics and simple, tension-filled gameplay make this the perfect game for the realism fanatic and the casual gamer.
- 9

Silent Hunter 5®: Battle of the Atlantic
Single-player alternative to War on the Sea — playable solo, no multiplayer required. Shares Simulation with War on the Sea.
Step behind the periscope of a German U-boat and take on the Allied Forces in famous battles across the vast Atlantic Ocean and Mediterranean Sea. The best-selling submarine series of all time continues with the highly anticipated Silent Hunter: Battle of the Atlantic.