Games like Creature Menace: The Ultimate Nightmare
Games like Creature Menace: The Ultimate Nightmare include Nuclear Throne, Vampire Survivors, Enter the Gungeon, BALL x PIT, and 20 Minutes Till Dawn. We matched them by the tags players give Creature Menace: The Ultimate Nightmare on Steam (Action, Action Roguelike, Shooter, Bullet Hell, and Top-Down Shooter): closest matches first, and among equally close ones the better-known games.

Nuclear Throne
Shared: Action Roguelike · Action · Bullet Hell

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

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

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

20 Minutes Till Dawn
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Hotline Miami
Shared: Action · Pixel Graphics · Top-Down

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

The Last Stand: Aftermath
Shared: Top-Down Shooter · Shooter · Action Roguelike

Hotline Miami 2: Wrong Number
Shared: Action · Pixel Graphics · Top-Down

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Action

Skul: The Hero Slayer
Shared: Action · Action Roguelike · Pixel Graphics

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D

Deep Rock Galactic: Survivor
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Tiny Rogues
Shared: Action Roguelike · Bullet Hell · Top-Down Shooter

Relic Hunters Zero: Remix
Shared: Action · Action Roguelike · Top-Down Shooter

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

Megabonk
Shared: Action Roguelike · Bullet Hell · Action

SYNTHETIK: Legion Rising
Shared: Action · Top-Down Shooter · Action Roguelike

Broforce
Shared: Action · Pixel Graphics · 2D

Angel at Dusk
Shared: Action · Shooter · Bullet Hell

Hero Siege
Shared: Action Roguelike · Pixel Graphics · Action

Star of Providence
Shared: Action Roguelike · Bullet Hell · Action

FatalZone
Shared: Action Roguelike · Bullet Hell · Action

Blazing Beaks
Shared: Action Roguelike · Action · Top-Down Shooter