Games like The Expanse
Games like The Expanse include Dead by Daylight, PUBG: BATTLEGROUNDS, Subnautica 2, Left 4 Dead 2, and Barotrauma. We matched them by the tags players give The Expanse on Steam (Horror, Survival Horror, Survival, Action, and Strategy): closest matches first, and among equally close ones the better-known games.

Dead by Daylight
Shared: Horror · Survival Horror · Survival

PUBG: BATTLEGROUNDS
Shared: Survival · PvP · Action

Subnautica 2
Shared: Horror · Survival · Survival Horror

Left 4 Dead 2
Shared: Horror · Action · Survival

Barotrauma
Shared: Survival · Survival Horror · Horror

Dying Light
Shared: Survival Horror · Horror · Survival

The Forest
Shared: Horror · Survival · Survival Horror

Pacify
Shared: Horror · Survival Horror · Multiplayer

Escape the Backrooms
Shared: Horror · Survival Horror · Multiplayer

DayZ
Shared: Survival · PvP · Horror

Sons Of The Forest
Shared: Survival · Survival Horror · Horror

Dead Space™ 2
Shared: Horror · Survival Horror · Survival

The Texas Chain Saw Massacre
Shared: Horror · Survival Horror · PvP

Resident Evil 4
Shared: Horror · Survival Horror · Action

R.E.P.O.
Shared: Horror · Survival · 3D

Darkwood
Shared: Horror · Survival Horror · Action

Resident Evil Revelations 2
Shared: Horror · Survival Horror · Action

Dead Space™ 3
Shared: Horror · Action · Survival

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

Don't Starve Together
Shared: Survival · Multiplayer · Adventure

Outlast
Shared: Horror · Survival Horror · Survival

Resident Evil 3
Shared: Horror · Action · Survival Horror

Rust
Shared: Survival · PvP · Multiplayer

BIGFOOT
Shared: Horror · Survival Horror · PvP