Games like Operation STEEL
Games like Operation STEEL include Vampire Survivors, Nova Drift, BALL x PIT, Megabonk, and Brotato. We matched them by the tags players give Operation STEEL on Steam (Action Roguelike, Shoot 'Em Up, Bullet Hell, Arcade, and Roguelike): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite
Nova Drift
Shared: Shoot 'Em Up · Bullet Hell · Action Roguelike
BALL x PIT
Shared: Bullet Hell · Arcade · Action Roguelike
Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell
Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike
The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Difficult
The Binding of Isaac
Shared: Action Roguelike · Roguelike · Procedural Generation
Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike
Star of Providence
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up
Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite
Hades
Shared: Action Roguelike · Roguelite · Roguelike
Spelunky
Shared: Action Roguelike · Roguelike · Arcade
Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike
Nuclear Throne
Shared: Action Roguelike · Roguelike · Bullet Hell
Dead Estate
Shared: Action Roguelike · Roguelike · Bullet Hell
Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Roguelite
Bit Blaster XL
Shared: Shoot 'Em Up · Bullet Hell · Arcade
Death Must Die
Shared: Action Roguelike · Bullet Hell · Roguelite
Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · Roguelite
Crab Champions
Shared: Action Roguelike · Roguelike · Arcade
20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Shoot 'Em Up
Rogue: Genesia
Shared: Action Roguelike · Bullet Hell · Arcade
FTL: Faster Than Light
Shared: Roguelike · Perma Death · Sci-fi
Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite