Games like Deck Delve
Games like Deck Delve include Vampire Survivors, Vampire Crawlers: The Turbo Wildcard from Vampire Survivors, Enter the Gungeon, BALL x PIT, and Deep Rock Galactic: Survivor. We matched them by the tags players give Deck Delve on Steam (Action Roguelike, Card Battler, Bullet Hell, Top-Down Shooter, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Bullet Hell · Roguelite

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Card Battler · Dungeon Crawler · Deckbuilding

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

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

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

Hades
Shared: Action Roguelike · Roguelite · Action

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

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

Nuclear Throne
Shared: Action Roguelike · Bullet Hell · Action

Megabonk
Shared: Action Roguelike · Bullet Hell · Roguelite

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

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Dungeon Crawler · Roguelike

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Martial Arts

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

Magicraft
Shared: Action Roguelike · Bullet Hell · Roguelite

Brotato
Shared: Action Roguelike · Bullet Hell · Roguelike

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

Slay the Spire 2
Shared: Deckbuilding · Card Battler · Card Game

Hades II
Shared: Action Roguelike · Action · Roguelite

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

Dungreed
Shared: Action Roguelike · Action · Roguelite

Slime 3K: Rise Against Despot
Shared: Action Roguelike · Bullet Hell · Roguelite

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

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