Games like Monolith
Games like Monolith include Cyberpunk 2077, Ghostrunner, Half-Life: Alyx, Warhammer 40,000: Space Marine 2, and Deus Ex: Mankind Divided. We matched them by the tags players give Monolith on Steam (PvE, Futuristic, Singleplayer, Sci-fi, and Beat 'em up): closest matches first, and among equally close ones the better-known games.

Cyberpunk 2077
Shared: Singleplayer · Futuristic · Sci-fi

Ghostrunner
Shared: Singleplayer · Futuristic · First-Person

Half-Life: Alyx
Shared: VR · Singleplayer · Sci-fi

Warhammer 40,000: Space Marine 2
Shared: PvE · Sci-fi · Singleplayer

Deus Ex: Mankind Divided
Shared: Sci-fi · Singleplayer · Futuristic

Bright Memory: Infinite
Shared: Singleplayer · Sci-fi · Action

Dead as Disco
Shared: Beat 'em up · PvE · Hack and Slash

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

Beat Saber
Shared: VR · Singleplayer · First-Person

Black Mesa
Shared: Sci-fi · Singleplayer · First-Person

RoboCop: Rogue City
Shared: Singleplayer · Sci-fi · First-Person

Titanfall® 2
Shared: Singleplayer · Sci-fi · Futuristic

BONEWORKS
Shared: VR · Singleplayer · Action

Project Wingman
Shared: VR · Singleplayer · Action

STAR WARS™: Squadrons
Shared: VR · Singleplayer · Sci-fi

PRAGMATA
Shared: Sci-fi · Futuristic · Singleplayer

BioShock Infinite
Shared: Singleplayer · First-Person · Action

Call of Duty®: Black Ops III
Shared: Singleplayer · Futuristic · First-Person

Deus Ex: Human Revolution - Director’s Cut
Shared: Sci-fi · Singleplayer · Cyberpunk

Starship Troopers: Extermination
Shared: Sci-fi · PvE · First-Person

Marathon
Shared: Sci-fi · Futuristic · PvE

Resident Evil 7 Biohazard
Shared: VR · Singleplayer · First-Person

Cloudpunk
Shared: Futuristic · Sci-fi · Singleplayer

Vertigo 2
Shared: VR · Sci-fi · Singleplayer