Games like Devil's Deck
Games like Devil's Deck include Slay the Spire, Slay the Spire 2, Balatro, Chrono Ark, and 9 Kings. We matched them by the tags players give Devil's Deck on Steam (Roguelike Deckbuilder, Indie, RPG, Strategy, and Card Battler): closest matches first, and among equally close ones the better-known games.

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

Slay the Spire 2
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

Balatro
Shared: Roguelike Deckbuilder · Card Game · Strategy

Chrono Ark
Shared: Roguelike Deckbuilder · RPG · Indie

9 Kings
Shared: RPG · Strategy · Roguelike Deckbuilder

Overdungeon
Shared: Indie · Roguelike Deckbuilder · Strategy

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Indie

Gordian Quest
Shared: RPG · Strategy · Card Battler

Roguebook
Shared: Indie · RPG · Strategy

Deck of Ashes
Shared: Indie · RPG · Roguelike Deckbuilder

Griftlands
Shared: Card Battler · RPG · Deckbuilding

Vault of the Void
Shared: Roguelike Deckbuilder · Indie · Strategy

Dungeons & Degenerate Gamblers
Shared: Roguelike Deckbuilder · Strategy · Card Battler

Inscryption
Shared: Card Battler · Deckbuilding · Card Game

Deep Sky Derelicts
Shared: Roguelike Deckbuilder · RPG · Strategy

Monster Train
Shared: Card Battler · Deckbuilding · Card Game

Across the Obelisk
Shared: Roguelike Deckbuilder · Adventure · Deckbuilding

Super Fantasy Kingdom
Shared: RPG · Strategy · Roguelike Deckbuilder

Die in the Dungeon
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

Hand of Fate 2
Shared: Roguelike Deckbuilder · RPG · Indie

Fate Hunters
Shared: Roguelike Deckbuilder · Strategy · Indie

DICEOMANCER
Shared: Roguelike Deckbuilder · Strategy · Card Battler

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Hand of Fate
Shared: Roguelike Deckbuilder · RPG · Deckbuilding