Games like Cosmic Survivor
Games like Cosmic Survivor include Bit Blaster XL, Nova Drift, BALL x PIT, Cyberhunt, and Vampire Survivors. We matched them by the tags players give Cosmic Survivor on Steam (Action, Arcade, Shooter, Bullet Hell, and Adventure): closest matches first, and among equally close ones the better-known games.

Bit Blaster XL
Shared: Bullet Hell · Shooter · Arcade

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

BALL x PIT
Shared: Action · Arcade · Bullet Hell

Cyberhunt
Shared: Action · Adventure · Arcade

Vampire Survivors
Shared: Bullet Hell · 2D · Arcade

Planes, Bullets and Vodka
Shared: Action · Arcade · Bullet Hell

Revolution Ace
Shared: Action · Shoot 'Em Up · Bullet Hell

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

Exit the Gungeon
Shared: Arcade · Action · Bullet Hell

Ikaruga
Shared: Arcade · Bullet Hell · Action

LUFTRAUSERS
Shared: Arcade · Action · Bullet Hell

ZeroRanger
Shared: Action · Bullet Hell · Shoot 'Em Up

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

Enter the Gungeon
Shared: Bullet Hell · Action · Indie

Commando Collection
Shared: Action · Shooter · Arcade

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

Zombotron
Shared: Action · Adventure · 2D

Starblast
Shared: Action · Arcade · Shooter

Halo: Spartan Assault
Shared: Action · Shooter · Arcade

DoDonPachi Resurrection
Shared: Shooter · Bullet Hell · Arcade

Greedland
Shared: Shoot 'Em Up · Bullet Hell · Action

Chorus
Shared: Action · Adventure · Shooter

DRAINUS
Shared: Action · Shooter · Shoot 'Em Up

Distant Space
Shared: Arcade · Shoot 'Em Up · Action