Games like Cat Survivors
Games like Cat Survivors include Vampire Survivors, Megabonk, Halls of Torment, Skul: The Hero Slayer, and Death Must Die. We matched them by the tags players give Cat Survivors on Steam (Action, Action Roguelike, Survival, Bullet Hell, and Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Megabonk
Shared: Action Roguelike · Roguelike · Bullet Hell

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

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

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

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

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

Nuclear Throne
Shared: Action Roguelike · Roguelike · Action

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

Brotato
Shared: Action Roguelike · Roguelike · Bullet Hell

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

Atomicrops
Shared: Action · Bullet Hell · Roguelike

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

Dead Cells
Shared: Action Roguelike · Roguelike · Pixel Graphics

Dungreed
Shared: Action Roguelike · Action · Roguelike

Hades
Shared: Action Roguelike · Action · Roguelite

Boneraiser Minions
Shared: Action Roguelike · Bullet Hell · Roguelite

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · Pixel Graphics

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

Rocket Rats
Shared: Action Roguelike · Bullet Hell · Pixel Graphics

Risk of Rain (2013)
Shared: Action Roguelike · Action · Roguelike

Sephiria
Shared: Action Roguelike · Roguelike · Roguelite

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