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

EON Fighter
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Indie and Adventure with Deep Sea Hunter.
Embark on an action-packed adventure with "EON Fighter," a thrilling spaceship shooter game with roguelite elements. Pilot your fighter through space, collect resources, and battle your way to victory. Strive to become the last survivor in the universe!
- 2

XENO SIEGE
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Strategy and RPG with Deep Sea Hunter.
A top-down arena shooting light Roguelike game. Players take on the role of a modified warrior who is caught up in a black hole and forced to land on an unknown planet. Faced with hordes of alien monsters and uncontrollable mechanical debris
- 3

Abyss Eschaton Survivors
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Sea Hunter.
Conquer layered dreams, battle the Abyssal Lord's minions, gather Dream Essence! In this roguelike action game, forge heroes in the Dream Sanctuary by collecting gear, upgrading skills, confronting the Abyssal Lord. "Even fate won't deter you, My Lord? Break the cursed cycle. I'll light your path.”
- 4

Slack off master
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Indie and Casual with Deep Sea Hunter.
A shooting class casual small game. When you are sleeping at work, other people will approach you. So you have to fire through the control of the cannon to control others to get close to you. When you make it to the end, you will be awarded the Master Fish Medal.
- 5

Armored Battalion
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Indie and RPG with Deep Sea Hunter.
The purpose of this work is to truly restore the Great Patriotic War. The game starts at Moscow's Red Square, where you will pass through Red Square with a large number of tanks for the defense of Moscow. End in Berlin, on a bloody sunset afternoon, invade Berlin.
- 6

RFA Station
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Indie and Adventure with Deep Sea Hunter.
A space shooter in which you must defeat alien robots.
- 7

GALACTIC FIELD 《银河领域》
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Strategy and Indie with Deep Sea Hunter.
[ GALACTIC FIELD ] The game story takes place in the distant 24th century future interstellar era, where 3 different factions compete with each other. It supports PVE PVP EVE mode gameplay, and also provides the game's unique squadron fuse mode gameplay and gameplay detail adjustment system.
- 8

FIGHT PLANE 機戰
Single-player alternative to Deep Sea Hunter — playable solo, no multiplayer required. Shares Indie and Casual with Deep Sea Hunter.
"FIGHT PLANE 機戰" is a hard-core clear-cut shooting air combat game. Players control the fighter plane to shuttle through the sky full of bullets. While improving the fighter plane's ability, challenge powerful enemies at the same time!!!