Games like Number Dungeon
Games like Number Dungeon include Crown Trick, Balatro, Darkest Dungeon® II, Peglin, and Darkest Dungeon®. We matched them by the tags players give Number Dungeon on Steam (Turn-Based Strategy, Strategy, Roguelite, Arcade, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Crown Trick
Shared: Roguelike · Roguelite · Dungeon Crawler

Balatro
Shared: Strategy · Roguelike · Roguelite

Darkest Dungeon® II
Shared: Roguelite · Dungeon Crawler · Roguelike

Peglin
Shared: Roguelite · Strategy · Roguelike

Darkest Dungeon®
Shared: Dungeon Crawler · Roguelike · Strategy

Into the Breach
Shared: Turn-Based Strategy · Strategy · Roguelike

Vampire Survivors
Shared: Roguelite · Roguelike · Arcade

Shotgun King: The Final Checkmate
Shared: Turn-Based Strategy · Strategy · Roguelike

Dungeon Clawler
Shared: Strategy · Arcade · Roguelite

Slice & Dice
Shared: Turn-Based Strategy · Dungeon Crawler · Roguelike

Slay the Spire
Shared: Strategy · Roguelike · Roguelite

Noita
Shared: Roguelike · Dungeon Crawler · Pixel Graphics

RACCOIN: Coin Pusher Roguelike
Shared: Strategy · Roguelike · Turn-Based Strategy

The Last Spell
Shared: Turn-Based Strategy · Strategy · Singleplayer

Nubby's Number Factory
Shared: Strategy · Roguelike · Arcade

The Binding of Isaac: Rebirth
Shared: Roguelike · Dungeon Crawler · Pixel Graphics

FTL: Faster Than Light
Shared: Strategy · Roguelike · Perma Death

Total War: WARHAMMER II
Shared: Strategy · Turn-Based Strategy · Fantasy

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Strategy · Dungeon Crawler · Roguelike

He is Coming
Shared: Strategy · Roguelite · Roguelike

Stoneshard
Shared: Strategy · Roguelike · Pixel Graphics

Legend Creatures(传奇生物)
Shared: Roguelite · Strategy · Roguelike

BALL x PIT
Shared: Roguelite · Arcade · Roguelike

Slay the Spire 2
Shared: Strategy · Roguelike · Roguelite