Games like Cthulhu Must Die
Games like Cthulhu Must Die include Vampire Survivors, 20 Minutes Till Dawn, Megabonk, Halls of Torment, and Tower of Babel: Survivors of Chaos. We matched them by the tags players give Cthulhu Must Die on Steam (Action Roguelike, Bullet Hell, Strategy, Survival, and Action): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

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

Megabonk
Shared: Action Roguelike · Bullet Hell · Survival

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

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

Hades II
Shared: Action · Action Roguelike · Roguelite

Brotato
Shared: Bullet Hell · Action Roguelike · Survival

Enter the Gungeon
Shared: Action Roguelike · Bullet Hell · Twin Stick Shooter

Hades
Shared: Action Roguelike · Roguelite · Action

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

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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

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

Soulstone Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Hell Maiden
Shared: Action Roguelike · Survival · Female Protagonist

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Roguelite

Everything is Crab: The Animal Evolution Roguelite
Shared: Action Roguelike · Strategy · Survival

FatalZone
Shared: Action Roguelike · Bullet Hell · Survival

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Action

Pass the Fear
Shared: Action Roguelike · Bullet Hell · Strategy

Atomicrops
Shared: Bullet Hell · Action · Action Roguelike

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