Games like Really Big Sky
Games like Really Big Sky include Star Saviors, LUFTRAUSERS, ZeroRanger, Jets'n'Guns Gold, and Ikaruga. We matched them by the tags players give Really Big Sky on Steam (Indie, Action, Shoot 'Em Up, Space, and Bullet Hell): closest matches first, and among equally close ones the better-known games.
Star Saviors
Shared: Shoot 'Em Up · Action · Indie
LUFTRAUSERS
Shared: Indie · Action · Bullet Hell
ZeroRanger
Shared: Indie · Shoot 'Em Up · Action
Jets'n'Guns Gold
Shared: Shoot 'Em Up · Action · Indie
Ikaruga
Shared: Shoot 'Em Up · Action · Bullet Hell
Beat Hazard
Shared: Shoot 'Em Up · Bullet Hell · Twin Stick Shooter
Revolution Ace
Shared: Action · Indie · Shoot 'Em Up
Cyberhunt
Shared: Indie · Action · Shoot 'Em Up
Nex Machina
Shared: Action · Bullet Hell · Indie
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Vampire Survivors
Shared: Bullet Hell · Indie · Action
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Shooter
DRAINUS
Shared: Action · Indie · Shoot 'Em Up
Planes, Bullets and Vodka
Shared: Action · Shoot 'Em Up · Bullet Hell
My Friend Pedro
Shared: Indie · Action · Shooter
Cuphead
Shared: Indie · Bullet Hell · Great Soundtrack
DARIUSBURST Chronicle Saviours
Shared: Shoot 'Em Up · Action · Arcade
Touhou Kouryudou ~ Unconnected Marketeers.
Shared: Action · Shoot 'Em Up · Bullet Hell
Exit the Gungeon
Shared: Indie · Action · Arcade
Huntdown
Shared: Action · Shoot 'Em Up · Shooter
Geometry Wars: Retro Evolved
Shared: Twin Stick Shooter · Arcade · Bullet Hell
Blazing Chrome
Shared: Action · Indie · Shoot 'Em Up
Broforce
Shared: Action · Indie · Shooter
METAL SLUG 3
Shared: Action · Arcade · Shooter