Games like 21 Dungeons
Games like 21 Dungeons include Balatro, Slay the Spire 2, Slay the Spire, Vampire Crawlers: The Turbo Wildcard from Vampire Survivors, and Inscryption. We matched them by the tags players give 21 Dungeons on Steam (Card Game, Deckbuilding, Card Battler, Strategy, and Roguelike): closest matches first, and among equally close ones the better-known games.
Balatro
Shared: Card Game · Deckbuilding · Roguelike
Slay the Spire 2
Shared: Card Game · Deckbuilding · Roguelike
Slay the Spire
Shared: Card Game · Card Battler · Deckbuilding
Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Card Battler · Deckbuilding · Card Game
Inscryption
Shared: Card Game · Card Battler · Deckbuilding
Monster Train
Shared: Card Game · Card Battler · Deckbuilding
Loop Hero
Shared: Deckbuilding · Roguelike · Pixel Graphics
Wildfrost
Shared: Card Game · Card Battler · Deckbuilding
9 Kings
Shared: Strategy · Card Game · Deckbuilding
Dungeons & Degenerate Gamblers
Shared: Card Game · Strategy · Deckbuilding
Die in the Dungeon
Shared: Deckbuilding · Card Game · Strategy
Artifact
Shared: Deckbuilding · Card Game · Card Battler
Monster Train 2
Shared: Card Game · Deckbuilding · Roguelike
Roguebook
Shared: Card Game · Deckbuilding · Strategy
Dicey Dungeons
Shared: Deckbuilding · Card Battler · Roguelike
Slots & Daggers
Shared: Strategy · Roguelike · Gambling
Alina of the Arena
Shared: Card Game · Roguelike · Strategy
DICEOMANCER
Shared: Card Game · Strategy · Card Battler
Library Of Ruina
Shared: Card Game · Deckbuilding · Strategy
Magic: The Gathering Arena
Shared: Card Game · Strategy · Deckbuilding
Ratropolis
Shared: Deckbuilding · Card Battler · Card Game
Griftlands
Shared: Card Battler · Deckbuilding · Card Game
As We Descend
Shared: Card Game · Card Battler · Deckbuilding
Yu-Gi-Oh! Master Duel
Shared: Card Game · Strategy · Card Battler