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

Sub Command
Single-player alternative to Tigershark — playable solo, no multiplayer required.
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.
- 2

Morse Depths: WWII
Single-player alternative to Tigershark — playable solo, no multiplayer required. Shares Action with Tigershark.
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.
- 3

SUBMARINES 2D
Single-player alternative to Tigershark — playable solo, no multiplayer required. Shares Action with Tigershark.
Submarine Battles. Action Game. Second World War. Play With All Armies. Complete the Missions.
- 4

Submarine War
Single-player alternative to Tigershark — playable solo, no multiplayer required. Shares Action with Tigershark.
Submarine War is a new action-packed submarine combat game that immerses players in the 3D action with unique game controls and 3D environments.
- 5

Battle Marine
Single-player alternative to Tigershark — playable solo, no multiplayer required. Shares Action with Tigershark.
SHOOT 'EM UP! Battle Marine is a simple naval barrage STG. A barrage of intense shots! Shoot 'em up! Shoot 'em up! Chain bombs with detonation, powerful laser sweeps, and jumps to collect medals! Enjoy a RETRO but NEW and exhilarating STG experience!
- 6

Nuclear Sub: Prologue
Single-player alternative to Tigershark — playable solo, no multiplayer required.
The Prologue is just part of the gameplay that awaits you in the full version of the game. A realistic nuclear submarine simulator will allow you to take command of your crew and battle your fiercest enemies. Arm yourself with missiles, dive into the ocean and fight for your country
- 7

1971: Indian Naval Front
Single-player alternative to Tigershark — playable solo, no multiplayer required. Shares Action with Tigershark.
Learn about the biggest naval conflict since WWII. Third-person vehicular combat game based on 1971 India-Pakistan war. Conduct missions based on actual events. Control naval units including aircraft carriers, warships, jets and choppers. Relive one of the most unique naval battles ever fought.
- 8

Modern Naval Warfare
Single-player alternative to Tigershark — playable solo, no multiplayer required.
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.