Games like Cavebound
Games like Cavebound include Terraria, Dead by Daylight, The Outlast Trials, Barotrauma, and Dying Light. We matched them by the tags players give Cavebound on Steam (Action, Survival, Survival Horror, 2D, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Survival · 2D · Pixel Graphics

Dead by Daylight
Shared: Survival Horror · Survival · Multiplayer

The Outlast Trials
Shared: Survival Horror · Action · Co-op

Barotrauma
Shared: Survival · Survival Horror · 2D

Dying Light
Shared: Survival Horror · Survival · Action

Don't Starve Together
Shared: Survival · Co-op · Multiplayer

Broforce
Shared: Action · Pixel Graphics · 2D

Left 4 Dead 2
Shared: Action · Survival · Co-op

PUBG: BATTLEGROUNDS
Shared: Survival · Action · Multiplayer

Sons Of The Forest
Shared: Survival · Survival Horror · Co-op

Among Us
Shared: Survival · 2D · Multiplayer

Green Hell
Shared: Survival · Action · Multiplayer

No More Room in Hell 2
Shared: Survival Horror · Survival · Action

MISERY
Shared: Survival · Survival Horror · Action

PAYDAY 2
Shared: Action · Co-op · Stealth

HELLDIVERS™ 2
Shared: Action · PvE · Online Co-Op

In Silence
Shared: Survival Horror · Survival · Action

Core Keeper
Shared: Survival · Pixel Graphics · Action

Halloween: The Game
Shared: Survival · Survival Horror · Stealth

The Escapists
Shared: Pixel Graphics · 2D · Action

Forager
Shared: Survival · Pixel Graphics · 2D

The Escapists 2
Shared: Pixel Graphics · 2D · Multiplayer

DayZ
Shared: Survival · Action · Multiplayer

Starbound
Shared: Survival · Pixel Graphics · Action