Games like Galactic Patrol
Games like Galactic Patrol include HELLDIVERS™ 2, Warhammer 40,000: Space Marine 2, The Callisto Protocol™, STAR WARS™: Squadrons, and Furi. We matched them by the tags players give Galactic Patrol on Steam (Flight, Space, Bullet Hell, Shoot 'Em Up, and PvE): closest matches first, and among equally close ones the better-known games.

HELLDIVERS™ 2
Shared: PvE · Action · Space

Warhammer 40,000: Space Marine 2
Shared: Action · PvE · Third Person

The Callisto Protocol™
Shared: Space · Sci-fi · Third Person

STAR WARS™: Squadrons
Shared: Flight · Space · Action

Furi
Shared: Bullet Hell · Shoot 'Em Up · Top-Down

Dead Space (2008)
Shared: Space · Action · Third Person

STAR WARS™ Battlefront™ II
Shared: Space · Action · Sci-fi

Deep Rock Galactic: Survivor
Shared: Bullet Hell · PvE · Top-Down

Avorion
Shared: Space · Flight · PvE

War Thunder
Shared: Flight · Action · Vehicular Combat

Raptor: Call of The Shadows - 2015 Edition
Shared: Bullet Hell · Shoot 'Em Up · Flight

Warframe
Shared: Action · Third Person · PvE

Star Saviors
Shared: Bullet Hell · Shoot 'Em Up · Space

Jump Space
Shared: Space · PvE · Action

Trailmakers
Shared: Space · Action · Flight

STAR WARS Jedi: Survivor™
Shared: Action · Third Person · Space

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Action

Bit Blaster XL
Shared: Bullet Hell · Shoot 'Em Up · Action

Nova Drift
Shared: Bullet Hell · Shoot 'Em Up · Action

STAR WARS™ Battlefront II (Classic, 2005)
Shared: Action · Space · Sci-fi

BALL x PIT
Shared: Bullet Hell · Action · Shoot 'Em Up

Chorus
Shared: Space · Action · Flight

PRAGMATA
Shared: Action · Sci-fi · Third Person

Planes, Bullets and Vodka
Shared: Shoot 'Em Up · Bullet Hell · Action