Games like Gunmetal Orbit
Games like Gunmetal Orbit include Deep Rock Galactic: Survivor, Brotato, Megabonk, Soulstone Survivors, and Time Wasters. We matched them by the tags players give Gunmetal Orbit on Steam (Bullet Heaven, Roguelite, Action Roguelike, Arena Shooter, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.

Deep Rock Galactic: Survivor
Shared: Bullet Heaven · Action Roguelike · Roguelite

Brotato
Shared: Action Roguelike · Bullet Heaven · Roguelite

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelite

Soulstone Survivors
Shared: Bullet Heaven · Roguelite · Action Roguelike

Time Wasters
Shared: Bullet Heaven · Action Roguelike · Roguelite

Hades
Shared: Roguelite · Action Roguelike · Action

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Roguelite

Vampire Survivors
Shared: Action Roguelike · Roguelite · Singleplayer

Nova Drift
Shared: Roguelite · Action Roguelike · Bullet Heaven

BALL x PIT
Shared: Roguelite · Action · Action Roguelike

Death Must Die
Shared: Action Roguelike · Roguelite · Bullet Heaven

Arms of God
Shared: Bullet Heaven · Action Roguelike · Roguelite

Cult of the Lamb
Shared: Action Roguelike · Roguelite · Base Building

The Spell Brigade
Shared: Bullet Heaven · Roguelite · Action Roguelike

SYNTHETIK: Legion Rising
Shared: Roguelite · Action Roguelike · Action

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Roguelite

EVERSPACE™
Shared: Action Roguelike · Space · Roguelite

Halls of Torment
Shared: Roguelite · Action Roguelike · Bullet Heaven

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Bullet Heaven

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Action

Jotunnslayer: Hordes of Hel
Shared: Bullet Heaven · Action Roguelike · Roguelite

Hades II
Shared: Roguelite · Action · Action Roguelike

NIMRODS
Shared: Bullet Heaven · Action Roguelike · Roguelite