Games like Deep Space
Games like Deep Space include Fallout 4, Black Myth: Wukong, BioShock Infinite, Starfield, and Fallout: New Vegas. We matched them by the tags players give Deep Space on Steam (RPG, Action, Exploration, Action-Adventure, and Shooter): closest matches first, and among equally close ones the better-known games.

Fallout 4
Shared: RPG · Exploration · Shooter

Black Myth: Wukong
Shared: Action · RPG · Action RPG

BioShock Infinite
Shared: Action · Shooter · RPG

Starfield
Shared: RPG · Exploration · Space

Fallout: New Vegas
Shared: RPG · Exploration · Action

Far Cry® 6
Shared: Action-Adventure · Action · FPS

Far Cry® 5
Shared: Action-Adventure · Shooter · Exploration

Borderlands 2
Shared: Action · Shooter · RPG

Atomic Heart
Shared: Action · FPS · Action-Adventure

S.T.A.L.K.E.R.: Shadow of Chornobyl - Enhanced Edition
Shared: Action · RPG · Exploration

EVERSPACE™ 2
Shared: Shooter · Exploration · Space

Crimson Desert Enhanced
Shared: Action · Exploration · RPG

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

The Elder Scrolls IV: Oblivion Remastered
Shared: RPG · Exploration · Action RPG

Cyberpunk 2077
Shared: RPG · FPS · Exploration

God of War Ragnarök
Shared: Action · RPG · Action-Adventure

Assassin's Creed® Odyssey
Shared: RPG · Action-Adventure · Exploration

Gothic 1 Remake
Shared: RPG · Exploration · Action

Assassin's Creed® Origins
Shared: RPG · Action-Adventure · Action

Borderlands 4
Shared: FPS · RPG · Action RPG

Tainted Grail: The Fall of Avalon
Shared: RPG · Exploration · First-Person

VLADiK BRUTAL
Shared: Action · Shooter · FPS

FINAL FANTASY VII REMAKE INTERGRADE
Shared: RPG · Action RPG · Action-Adventure

Deep Rock Galactic
Shared: FPS · Exploration · Shooter