Games like Asteroid
Games like Asteroid include Starfield, Starcom: Unknown Space, No Man's Sky, EVERSPACE™ 2, and STAR WARS Jedi: Fallen Order™. We matched them by the tags players give Asteroid on Steam (Open World, Top-Down Shooter, Action RPG, Arcade, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Starfield
Shared: Open World · Space · Exploration

Starcom: Unknown Space
Shared: Open World · Space · Action RPG

No Man's Sky
Shared: Open World · Space · Exploration

EVERSPACE™ 2
Shared: Open World · Space · Action RPG

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

Terraria
Shared: Pixel Graphics · 2D · Open World

Fallout 4
Shared: Open World · Exploration · RPG

Drova - Forsaken Kin
Shared: Action RPG · Open World · Pixel Graphics

STAR WARS Jedi: Survivor™
Shared: Open World · Action-Adventure · Space

Where Winds Meet
Shared: Open World · Action RPG · Action-Adventure

Starbound
Shared: Space · Pixel Graphics · Open World

Dimraeth
Shared: Action RPG · Open World · Pixel Graphics

Hogwarts Legacy
Shared: Open World · Exploration · Action RPG

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

Dragon's Dogma 2
Shared: Open World · Action RPG · RPG

Borderlands 4
Shared: Open World · Action RPG · PvE

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

Crimson Desert Enhanced
Shared: Open World · Exploration · Action-Adventure

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

Elite Dangerous
Shared: Open World · Space · Exploration

Endless Sky
Shared: Open World · Space · Sci-fi

EVE Online
Shared: Open World · Exploration · Space

Starcom: Nexus
Shared: Space · Open World · Exploration

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