Single-player games like Cardtonia
Below are 8 single-player Steam games similar to Cardtonia, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Cardtonia page.
Ranked picks
- 1

Shrike
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and RPG with Cardtonia.
Pickpocket rival birds to build a deck. A turn-based roguelike deckbuilder about a tiny bird's grim migration north through a wretched medieval kingdom. Steal abilities, chart your migratory route, survive.
- 2

Vortex Siege
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and Indie with Cardtonia.
Defend your city in Vortex Siege, a roguelike collectible card game where you can evolve your cards in unique ways for millions of possibilities. Defeat your enemies in battle, steal their cards, and customize them. Build and defend your town between battles. Collect, customize, and carry on!
- 3

THORNSPELL
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and Indie with Cardtonia.
Embody a magical florist by placing plants strategically in your garden, and watering them to score points. THORNSPELL is a garden-building roguelike where you will create and unleash chains of magical effects, dispelling the corruption spreading through your home.
- 4

Fatal Dopamine/ 致命多巴胺
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy with Cardtonia.
Play as a nameless gambler who arrives at a mysterious gambling table, constantly challenging different opponents. At this table, the stakes are not money but life itself.
- 5

Master of Piece
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and Indie with Cardtonia.
Recruit mercenaries, combine their traits, and forge endless synergies. Venture through the mysterious medieval realm, facing powerful foes and mighty bosses. Simple turn-based rules hide deep strategic depth—build your ultimate team, master the pieces, and uncover the secrets of the Black fog.
- 6

Touhou Rinrinki ~ Crafts of the Lucky Beast
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and Indie with Cardtonia.
Touhou Rinrinki ~ Crafts of the Luck Beast is a Touhou Doujin Card-Strategy Game. Using cards across different seasons, join forces with duelists of unique abilities, face various opponents from all over Gensoukyo, and uncover the truth behind the Card Duel Incident!
- 7

Hunter's Moon: A Sovereign Syndicate Adventure
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and RPG with Cardtonia.
A Victorian Steampunk Roguelite Deckbuilder. Choose from four characters with unique cards and abilities. Customize your deck and character as you investigate a mysterious plague. Battle corrupted beasts and bosses in turn-based combat to unlock powerful relics and enchanted tarot cards.
- 8

Dice & Fold
Single-player alternative to Cardtonia — playable solo, no multiplayer required. Shares Strategy and Indie with Cardtonia.
A turn-based dungeon crawler where your only way of attacking the enemy is by rolling dice. Roll dice to damage enemy cards to FOLD. Inspired by classic Solitaire, in a top-down table and enemies made out of cards, try to beat the dungeon with 35 unique classes. Build your deck, kill monsters.