Games like Dead Simple 21
Games like Dead Simple 21 include Inscryption, Slay the Spire, Balatro, Stacklands, and Yu-Gi-Oh! Master Duel. We matched them by the tags players give Dead Simple 21 on Steam (Card Battler, Solitaire, Turn-Based Tactics, Card Game, and Puzzle): closest matches first, and among equally close ones the better-known games.
Inscryption
Shared: Card Battler · Card Game · Puzzle
Slay the Spire
Shared: Card Battler · Card Game · Turn-Based
Balatro
Shared: Card Game · Strategy · Card Battler
Stacklands
Shared: Card Game · Card Battler · Solitaire
Yu-Gi-Oh! Master Duel
Shared: Card Game · Card Battler · Strategy
Shadowverse: Worlds Beyond
Shared: Card Battler · Competitive · Turn-Based
Wildfrost
Shared: Card Battler · Card Game · Turn-Based Tactics
Monster Train
Shared: Card Battler · Card Game · Turn-Based Tactics
Griftlands
Shared: Card Battler · Card Game · Turn-Based
Black Book
Shared: Card Battler · Turn-Based Tactics · Card Game
Morimens
Shared: Card Battler · Card Game · Turn-Based
Dice & Fold
Shared: Card Battler · Solitaire · Turn-Based Tactics
Slay the Spire 2
Shared: Card Game · Card Battler · Strategy
Trials of Fire
Shared: Card Battler · Turn-Based Tactics · Turn-Based
One Turn Kill
Shared: Card Game · Card Battler · Strategy
Dream of Corpse Lady
Shared: Card Battler · Card Game · Turn-Based Tactics
Warhammer Underworlds - Shadespire Edition (Classic)
Shared: Card Battler · Turn-Based Tactics · Competitive
Deck of Haunts
Shared: Card Battler · Card Game · Turn-Based Tactics
Dead Man's Draw
Shared: Card Battler · Card Game · Turn-Based Tactics
Into the Breach
Shared: Turn-Based Tactics · Strategy · Puzzle
Gordian Quest
Shared: Card Battler · Card Game · Strategy
Esports Godfather
Shared: Card Battler · Turn-Based Tactics · Strategy
Roguebook
Shared: Card Game · Card Battler · Turn-Based Tactics