Games like Prey - Mooncrash
Games like Prey - Mooncrash include Half-Life 2, Prey, Black Mesa, System Shock, and BioShock Infinite. We matched them by the tags players give Prey - Mooncrash on Steam (Action, Adventure, Roguelite, Immersive Sim, and FPS): closest matches first, and among equally close ones the better-known games.

Half-Life 2
Shared: Action · FPS · Sci-fi

Prey
Shared: Immersive Sim · Sci-fi · Horror

Black Mesa
Shared: Action · FPS · Sci-fi

System Shock
Shared: Action · Immersive Sim · Adventure

BioShock Infinite
Shared: Action · FPS · Adventure

Metro Exodus
Shared: FPS · Action · Singleplayer

BioShock™ Remastered
Shared: FPS · Action · Horror

METRO Last Light Redux
Shared: Action · FPS · Atmospheric

BioShock™
Shared: Action · FPS · Atmospheric

METRO 2033 Redux
Shared: FPS · Action · Horror

Half-Life: Alyx
Shared: FPS · Horror · Action

BioShock™ 2 Remastered
Shared: Action · FPS · Horror

Fallout 4
Shared: Adventure · Action · Singleplayer

Atomic Heart
Shared: Adventure · Action · FPS

BioShock® 2
Shared: Action · FPS · Horror

RoboCop: Rogue City
Shared: Action · FPS · Singleplayer

Cyberpunk 2077
Shared: FPS · Sci-fi · Singleplayer

DEATHLOOP
Shared: Action · FPS · Immersive Sim

Fallout: New Vegas
Shared: Action · Adventure · Singleplayer

Half-Life: Opposing Force
Shared: Action · FPS · Sci-fi

Halo Infinite
Shared: Action · FPS · Singleplayer

Resident Evil Village
Shared: Action · Horror · Singleplayer

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: FPS · Atmospheric · Action

Alien: Isolation
Shared: Horror · Sci-fi · Atmospheric