Games like Cats Vs Rats
Games like Cats Vs Rats include Megabonk, Vampire Survivors, Hades, Death Must Die, and Skul: The Hero Slayer. We matched them by the tags players give Cats Vs Rats on Steam (Action, Action Roguelike, Cats, Cute, and Roguelike): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Action Roguelike · Roguelike · Action

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Hades
Shared: Action Roguelike · Action · Indie

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

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

Risk of Rain 2
Shared: Action Roguelike · Action · Roguelike

Soulstone Survivors
Shared: Action Roguelike · Roguelike · Bullet Hell

Brotato
Shared: Action Roguelike · Roguelike · Bullet Hell

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

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

Hades II
Shared: Action · Roguelike · Action Roguelike

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Indie

BALL x PIT
Shared: Action · Action Roguelike · Roguelike

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

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

Sephiria
Shared: Action Roguelike · Roguelike · Action

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Indie

Noobs Want to Live
Shared: Action · Roguelike · Action Roguelike

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

Atomicrops
Shared: Action · Roguelike · Action Roguelike

Rabbit and Steel
Shared: Action Roguelike · Cute · Bullet Hell

Dungreed
Shared: Action Roguelike · Action · Roguelike

Cult of the Lamb
Shared: Action Roguelike · Cute · Roguelite

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