Games like Core Devourer
Games like Core Devourer include Soulstone Survivors, Megabonk, Halls of Torment, Brotato, and Vampire Survivors. We matched them by the tags players give Core Devourer on Steam (Bullet Heaven, Action Roguelike, Twin Stick Shooter, Bullet Hell, and Roguelike): closest matches first, and among equally close ones the better-known games.

Soulstone Survivors
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Megabonk
Shared: Bullet Heaven · Action Roguelike · Roguelike

Halls of Torment
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Action Roguelike · Roguelike · Bullet Hell

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Death Must Die
Shared: Action Roguelike · Bullet Hell · Bullet Heaven

Nova Drift
Shared: Bullet Hell · Action Roguelike · Shoot 'Em Up

BALL x PIT
Shared: Bullet Hell · Action Roguelike · Roguelite

Rogue: Genesia
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

Time Wasters
Shared: Bullet Heaven · Action Roguelike · Twin Stick Shooter

Yet Another Zombie Survivors
Shared: Bullet Heaven · Action Roguelike · Roguelite

Nordic Ashes: Survivors of Ragnarok
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

The Spell Brigade
Shared: Bullet Heaven · Bullet Hell · Action Roguelike

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Roguelike

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Atomicrops
Shared: Bullet Hell · Roguelike · Action Roguelike

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Roguelite

NIMRODS
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Hades II
Shared: Roguelike · Action Roguelike · Roguelite

Conquest Dark
Shared: Bullet Heaven · Action Roguelike · Bullet Hell

Jotunnslayer: Hordes of Hel
Shared: Bullet Heaven · Action Roguelike · Roguelite

Greedland
Shared: Twin Stick Shooter · Bullet Hell · Roguelite