Games like Cat Hits the Deck
Games like Cat Hits the Deck include Soulstone Survivors, Death Must Die, Megabonk, Halls of Torment, and Nordic Ashes: Survivors of Ragnarok. We matched them by the tags players give Cat Hits the Deck on Steam (Action Roguelike, Card Battler, Trading Card Game, Bullet Heaven, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

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

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

Megabonk
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

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

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

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelike

Hero Siege
Shared: Action Roguelike · Action RPG · RPG

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

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

One Step From Eden
Shared: Action Roguelike · Card Battler · Card Game

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

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

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

Slay the Spire
Shared: Card Battler · Card Game · Roguelike

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Wanderburg
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

Hand of Fate
Shared: Action Roguelike · Card Game · Roguelike

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Card Battler · Roguelike · Card Game

Arms of God
Shared: Action Roguelike · Bullet Heaven · Bullet Hell

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

Nova Drift
Shared: Action Roguelike · Bullet Hell · Bullet Heaven

Heroes of Hammerwatch II
Shared: Action Roguelike · Action RPG · RPG