Games like Starfield - Terran Armada
Games like Starfield - Terran Armada include Starfield, Fallout: New Vegas, Fallout 4, Cyberpunk 2077, and The Elder Scrolls IV: Oblivion Remastered. We matched them by the tags players give Starfield - Terran Armada on Steam (Space, Open World, Singleplayer, RPG, and Sci-fi): closest matches first, and among equally close ones the better-known games.

Starfield
Shared: Space · Open World · Singleplayer

Fallout: New Vegas
Shared: Open World · RPG · Singleplayer

Fallout 4
Shared: Open World · Singleplayer · RPG

Cyberpunk 2077
Shared: Open World · RPG · Singleplayer

The Elder Scrolls IV: Oblivion Remastered
Shared: Open World · RPG · Singleplayer

Hogwarts Legacy
Shared: Open World · Singleplayer · RPG

STAR WARS Jedi: Survivor™
Shared: Open World · Singleplayer · Sci-fi

No Man's Sky
Shared: Space · Open World · Sci-fi

The Witcher 3: Wild Hunt — Remastered
Shared: Open World · RPG · Singleplayer

Tainted Grail: The Fall of Avalon
Shared: Open World · RPG · Singleplayer

STAR WARS Jedi: Fallen Order™
Shared: Open World · Sci-fi · Action-Adventure

The Outer Worlds 2
Shared: Singleplayer · RPG · Open World

Fallout 3
Shared: Open World · Singleplayer · RPG

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: Open World · RPG · Singleplayer

Outer Wilds
Shared: Space · Exploration · Open World

Elite Dangerous
Shared: Space · Open World · Sci-fi

Assassin's Creed® Odyssey
Shared: Open World · RPG · Singleplayer

Crimson Desert Enhanced
Shared: Open World · Singleplayer · Exploration

Kingdom Come: Deliverance II
Shared: Open World · RPG · Singleplayer

Star Wars Outlaws
Shared: Open World · Singleplayer · Space

Mass Effect™ Legendary Edition
Shared: RPG · Space · Singleplayer

Monster Hunter: World
Shared: Open World · RPG · Character Customization

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Singleplayer · RPG

Rise of the Tomb Raider™
Shared: Singleplayer · Open World · Exploration