Games like Ocean Keeper: Dome Survival
Games like Ocean Keeper: Dome Survival include Dome Keeper, Dead Cells, The Binding of Isaac, Skul: The Hero Slayer, and Hades. We matched them by the tags players give Ocean Keeper: Dome Survival on Steam (Procedural Generation, Action, Mining, 2D, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Dome Keeper
Shared: Action · Roguelike · Singleplayer

Dead Cells
Shared: Roguelike · 2D · Roguelite

The Binding of Isaac
Shared: Procedural Generation · Roguelike · Action

Skul: The Hero Slayer
Shared: Action · 2D · Roguelike

Hades
Shared: Action · Roguelite · Roguelike

Vampire Survivors
Shared: 2D · Roguelite · Roguelike

The Binding of Isaac: Rebirth
Shared: Roguelike · Action Roguelike · 2D

Wall World
Shared: Mining · Roguelite · Procedural Generation

Hades II
Shared: Action · Roguelike · Roguelite

UnderMine
Shared: Action · Roguelite · Procedural Generation

Rogue Legacy
Shared: Action · Roguelike · 2D

FTL: Faster Than Light
Shared: Roguelike · Procedural Generation · Sci-fi

Megabonk
Shared: Roguelike · Roguelite · Action

Sephiria
Shared: Roguelike · Action · Roguelite

Dungreed
Shared: Action · Roguelike · 2D

ScourgeBringer
Shared: Action · Roguelite · 2D

BALL x PIT
Shared: Action · Roguelite · Roguelike

Spelunky
Shared: Roguelike · 2D · Procedural Generation

Brotato
Shared: Roguelike · Singleplayer · Roguelite

Fallout 4
Shared: Atmospheric · Singleplayer · Action

Rogue Legacy 2
Shared: Action · Roguelite · 2D

Ravenswatch
Shared: Action · Roguelike · Roguelite

Wall World 2
Shared: Mining · Roguelite · Procedural Generation

No Man's Sky
Shared: Procedural Generation · Sci-fi · Exploration