Single-player games like SUBMARINES 2D
Below are 8 single-player Steam games similar to SUBMARINES 2D, 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 SUBMARINES 2D page.
Ranked picks
- 1

Morse Depths: WWII
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required. Shares Action and Strategy with SUBMARINES 2D.
Take command of a WWII submarine. Master Morse Code to fire torpedoes, defuse mines, and survive the final siege. From 1942 to 1945, every dot and dash is the difference between glory and the ocean floor.
- 2

Crash Dive
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required. Shares Strategy with SUBMARINES 2D.
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.
- 3

Silent Hunter® III
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required.
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.
- 4

Silent Hunter®: Wolves of the Pacific
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required.
Hunt, hide and kill as you take command of U.S. submarines and crews and navigate the treacherous waters of the Pacific during WWII. Silent Hunter, the industry-leading naval warfare simulation franchise for over a decade, returns to its roots with next-generation graphical realism, immersive gameplay, innovative crew evolution and more...
- 5

Silent Hunter 5®: Battle of the Atlantic
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required.
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.
- 6

Silent Depth 2: Pacific
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required. Shares Action and Strategy with SUBMARINES 2D.
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.
- 7

Sub Command
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required. Shares Strategy with SUBMARINES 2D.
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.
- 8

Battlestations Pacific
Single-player alternative to SUBMARINES 2D — playable solo, no multiplayer required. Shares Action and Strategy with SUBMARINES 2D.
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...