Games like Space Codex
Games like Space Codex include Planes, Bullets and Vodka, Geometry Wars: Retro Evolved, Bit Blaster XL, Vampire Survivors, and Nova Drift. We matched them by the tags players give Space Codex on Steam (Casual, Retro, Shoot 'Em Up, Bullet Hell, and Arcade): closest matches first, and among equally close ones the better-known games.
Planes, Bullets and Vodka
Shared: Casual · Shoot 'Em Up · Retro
Geometry Wars: Retro Evolved
Shared: Casual · Retro · Arcade
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Vampire Survivors
Shared: Bullet Hell · Casual · Arcade
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Cyberhunt
Shared: Casual · Shoot 'Em Up · Arcade
LUFTRAUSERS
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Super Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
ZeroRanger
Shared: Shoot 'Em Up · Bullet Hell · Retro
BALL x PIT
Shared: Bullet Hell · Arcade · Shoot 'Em Up
Utopia Must Fall
Shared: Casual · Arcade · Bullet Hell
Ikaruga
Shared: Shoot 'Em Up · Bullet Hell · Arcade
20 Minutes Till Dawn
Shared: Bullet Hell · Shoot 'Em Up · Casual
Neptunia Shooter
Shared: Bullet Hell · Shoot 'Em Up · Retro
Intergalactic Bubbles
Shared: Casual · Shoot 'Em Up · Arcade
Distant Space 2
Shared: Casual · Shoot 'Em Up · Arcade
Distant Space
Shared: Shoot 'Em Up · Casual · Arcade
Sky Force Reloaded
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Heavy Weapon Deluxe
Shared: Casual · Shoot 'Em Up · Arcade
Waves
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Beat Hazard
Shared: Bullet Hell · Shoot 'Em Up · Casual
Star Saviors
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Revolution Ace
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Goobies
Shared: Bullet Hell · Casual · Arcade