Games like GalaxIverse
Games like GalaxIverse include Planes, Bullets and Vodka, Bit Blaster XL, Vampire Survivors, LUFTRAUSERS, and Nova Drift. We matched them by the tags players give GalaxIverse on Steam (Shooter, Indie, Action, Shoot 'Em Up, and Casual): closest matches first, and among equally close ones the better-known games.

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

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

Vampire Survivors
Shared: Indie · Bullet Hell · Casual

LUFTRAUSERS
Shared: Indie · Action · Arcade

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

Chicken Invaders Universe
Shared: Shooter · Shoot 'Em Up · Action

Revolution Ace
Shared: Indie · Action · Shoot 'Em Up

Cyberhunt
Shared: Indie · Action · Casual

ZeroRanger
Shared: Indie · Shoot 'Em Up · Action

Sky Force Reloaded
Shared: Shoot 'Em Up · Arcade · Action

Ikaruga
Shared: Shoot 'Em Up · Action · Shooter

BALL x PIT
Shared: Action · Arcade · Shoot 'Em Up

DRAINUS
Shared: Action · Indie · Shooter

Star Saviors
Shared: Shoot 'Em Up · Action · Indie

Beat Hazard
Shared: Shoot 'Em Up · Indie · Bullet Hell

Chicken Invaders 5
Shared: Action · Indie · Casual

CS2D
Shared: Shooter · Action · Indie

Touhou Kinjoukyou ~ Fossilized Wonders.
Shared: Shooter · Shoot 'Em Up · Action

Waves
Shared: Shooter · Shoot 'Em Up · Bullet Hell

Exit the Gungeon
Shared: Indie · Action · Arcade

Starblast
Shared: Action · Indie · Casual

Commando Collection
Shared: Shooter · Action · Arcade

Geometry Wars: Retro Evolved
Shared: Arcade · Casual · Shooter

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

