Games like Cowboy In Space
Games like Cowboy In Space include BALL x PIT, Sky Force Reloaded, Bit Blaster XL, Chippy, and Bot Vice. We matched them by the tags players give Cowboy In Space on Steam (Bullet Hell, Shoot 'Em Up, Top-Down Shooter, Mars, and Twin Stick Shooter): closest matches first, and among equally close ones the better-known games.

BALL x PIT
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

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

Chippy
Shared: Bullet Hell · Shoot 'Em Up · Twin Stick Shooter

Bot Vice
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up

Nex Machina
Shared: Bullet Hell · Twin Stick Shooter · Shoot 'Em Up

Insect Swarm
Shared: Shoot 'Em Up · Top-Down Shooter · Shooter

Cyberhunt
Shared: Shoot 'Em Up · Twin Stick Shooter · Arcade

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

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

Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Twin Stick Shooter

Rogue: Genesia
Shared: Bullet Hell · Twin Stick Shooter · PvE

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

Assault Android Cactus+
Shared: Bullet Hell · Shoot 'Em Up · Twin Stick Shooter

DoDonPachi Resurrection
Shared: Shoot 'Em Up · Bullet Hell · Top-Down Shooter

Minishoot' Adventures
Shared: Bullet Hell · Twin Stick Shooter · Top-Down Shooter

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

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

LUFTRAUSERS
Shared: Bullet Hell · Shoot 'Em Up · Arcade

Enter the Gungeon
Shared: Bullet Hell · Twin Stick Shooter · Indie

Sektori
Shared: Shoot 'Em Up · Twin Stick Shooter · Bullet Hell

Greedland
Shared: Shoot 'Em Up · Bullet Hell · Twin Stick Shooter

20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Top-Down Shooter

State of Anarchy: Master of Mayhem
Shared: Bullet Hell · Top-Down Shooter · Shoot 'Em Up