Games like Solitairica
Games like Solitairica include Slay the Spire, Balatro, Slay the Spire 2, Dicey Dungeons, and 9 Kings. We matched them by the tags players give Solitairica on Steam (Roguelike Deckbuilder, Card Battler, Card Game, RPG, and Strategy): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Roguelike Deckbuilder · Card Game · Strategy

Slay the Spire 2
Shared: Card Game · Roguelike Deckbuilder · Strategy

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

9 Kings
Shared: RPG · Strategy · Card Game

Roguebook
Shared: RPG · Card Game · Indie

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

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

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

Overdungeon
Shared: Roguelike Deckbuilder · Strategy · RPG

Across the Obelisk
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Griftlands
Shared: Card Battler · RPG · Card Game

Gordian Quest
Shared: Card Battler · Card Game · RPG

Die in the Dungeon
Shared: Roguelike Deckbuilder · Card Game · Strategy

Super Fantasy Kingdom
Shared: RPG · Strategy · Card Game

Astrea: Six-Sided Oracles
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Chrono Ark
Shared: Roguelike Deckbuilder · RPG · Strategy

DICEOMANCER
Shared: Card Battler · Card Game · Roguelike Deckbuilder

Inscryption
Shared: Card Battler · Card Game · Deckbuilding

Yao-Guai Hunter
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Hand of Fate 2
Shared: Roguelike Deckbuilder · RPG · Card Game

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Card Battler · Strategy · Card Game

Deep Sky Derelicts
Shared: Roguelike Deckbuilder · Card Battler · RPG

GWENT: The Witcher Card Game
Shared: Card Game · RPG · Strategy