Games like Mother Hub
Games like Mother Hub include The Callisto Protocol™, Half-Life 2, Atomic Heart, Black Mesa, and BioShock Infinite. We matched them by the tags players give Mother Hub on Steam (Horror, Sci-fi, Space, FPS, and Lore-Rich): closest matches first, and among equally close ones the better-known games.

The Callisto Protocol™
Shared: Horror · Sci-fi · Space

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

Atomic Heart
Shared: FPS · Horror · Action

Black Mesa
Shared: FPS · Sci-fi · Action

BioShock Infinite
Shared: FPS · Shooter · Action

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

Dead Space
Shared: Horror · Space · Sci-fi

System Shock
Shared: Sci-fi · Horror · Action

Prey
Shared: Sci-fi · Space · Horror

METRO Last Light Redux
Shared: FPS · Horror · Action

Halo: The Master Chief Collection
Shared: FPS · Sci-fi · Shooter

Resident Evil Requiem
Shared: Horror · FPS · Action

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

Halo Infinite
Shared: FPS · Sci-fi · Shooter

BioShock™
Shared: FPS · Horror · Action

METRO 2033 Redux
Shared: FPS · Horror · Action

Ready or Not
Shared: FPS · Horror · Shooter

Cyberpunk 2077
Shared: Sci-fi · FPS · RPG

DOOM
Shared: FPS · Shooter · Action

DOOM 3
Shared: Horror · FPS · Sci-fi

RoboCop: Rogue City
Shared: FPS · Action · Sci-fi

Left 4 Dead 2
Shared: FPS · Horror · Shooter

BioShock™ 2 Remastered
Shared: FPS · Horror · Action

Metro Exodus
Shared: FPS · Horror · Action