Single-player games like Silent Depth 3D Submarine Simulation
Below are 9 single-player Steam games similar to Silent Depth 3D Submarine Simulation, 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 Silent Depth 3D Submarine Simulation page.
Ranked picks
- 1

Silent Hunter® III
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Simulation with Silent Depth 3D Submarine Simulation.
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.
- 2

Sub Command
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy with Silent Depth 3D Submarine Simulation.
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

Crash Dive
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy and Simulation with Silent Depth 3D Submarine Simulation.
WWII tactical submarine combat! Take command of a U-boat prowling the Atlantic in search of enemy convoys to sink. Sneak past the escorts and torpedo the transports. Or surface and use your deck gun in a daring night attack.
- 4

Silent Depth 2: Pacific
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy and Simulation with Silent Depth 3D Submarine Simulation.
Silent Depth 2: Pacific is a lite sub-sim. You enter the Silent Service at the command of a Gato class submarine on War Patrols during World War 2. How long will you survive, and ultimately how much tonnage you sink is down to skill and cunning.
- 5

Cold Waters
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy and Indie with Silent Depth 3D Submarine Simulation.
Spiritual Successor to the Microprose Classic “Red Storm Rising”.
- 6

UBOAT
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy and Indie with Silent Depth 3D Submarine Simulation.
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.
- 7

Dangerous Waters
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy with Silent Depth 3D Submarine Simulation.
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

Battlestations Pacific
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Strategy with Silent Depth 3D Submarine Simulation.
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...
- 9

Silent Hunter 5®: Battle of the Atlantic
Single-player alternative to Silent Depth 3D Submarine Simulation — playable solo, no multiplayer required. Shares Simulation with Silent Depth 3D Submarine Simulation.
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.