Games like Card Detective
Games like Card Detective include Inscryption, Griftlands, Slay the Spire, Library Of Ruina, and Slay the Spire 2. We matched them by the tags players give Card Detective on Steam (Card Battler, Puzzle, RPG, Education, and Card Game): closest matches first, and among equally close ones the better-known games.

Inscryption
Shared: Card Battler · Card Game · Puzzle

Griftlands
Shared: Card Battler · RPG · Card Game

Slay the Spire
Shared: Card Battler · Card Game · Strategy

Library Of Ruina
Shared: Card Game · Story Rich · Strategy

Slay the Spire 2
Shared: Card Game · Card Battler · Strategy

9 Kings
Shared: RPG · Strategy · Card Game

Balatro
Shared: Card Game · Strategy · Deckbuilding

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

Gordian Quest
Shared: Card Battler · RPG · Card Game

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

DICEOMANCER
Shared: Card Battler · Card Game · Strategy

Sanfu
Shared: Puzzle · RPG · Mystery

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

Roguebook
Shared: RPG · Card Game · Strategy

Sultan's Game
Shared: RPG · Card Game · Story Rich

Overdungeon
Shared: RPG · Card Battler · Strategy

Cross Blitz
Shared: RPG · Card Battler · Card Game

Cyber Manhunt
Shared: Puzzle · RPG · Mystery

Dicey Dungeons
Shared: Card Battler · Deckbuilding · Card Game

Chrono Ark
Shared: RPG · Strategy · Card Game

Super Fantasy Kingdom
Shared: RPG · Strategy · Card Game

Unheard - Voices of Crime
Shared: Puzzle · RPG · Story Rich

Deep Sky Derelicts
Shared: RPG · Card Battler · Strategy

Dungeons & Degenerate Gamblers
Shared: Card Battler · Card Game · Strategy