Single-player games like Cold Waters
Below are 9 single-player Steam games similar to Cold Waters, 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 Cold Waters page.
Ranked picks
- 1

UBOAT
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy and Indie with Cold Waters.
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.
- 2

Sub Command
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy with Cold Waters.
Take charge of the most deadly modern-day submarines in the world - three distinct submarines across two unique and challenging campaigns. Utilize cutting-edge sensor and weapon technology to locate, track and destroy the enemy - even deliver Tomahawk missiles to inland targets.
- 3

Sea Power : Naval Combat in the Missile Age
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy and Simulation with Cold Waters.
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

War on the Sea
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy and Simulation with Cold Waters.
Command ships, submarines and aircraft in the South Pacific during WWII.
- 5

Modern Naval Warfare
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy and Simulation with Cold Waters.
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.
- 6

Silent Hunter® III
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Simulation with Cold Waters.
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.
- 7

Dangerous Waters
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy with Cold Waters.
S.C.S. - Dangerous Waters allows you total control over multiple air, surface, and submarine platforms in a modern-day naval environment. Take direct control of individual crew stations and also plan and execute combined arms naval strategies from a top-down 'Commanders Eye' perspective.
- 8

Destroyer: The U-Boat Hunter
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Indie and Simulation with Cold Waters.
Destroyer: The U-Boat Hunter brings you an authentic and historically accurate destroyer simulation along with gripping anti-submarine warfare set in the turmoils of the Atlantic Ocean during World War II.
- 9

Atlantic Fleet
Single-player alternative to Cold Waters — playable solo, no multiplayer required. Shares Strategy and Simulation with Cold Waters.
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...