Games like ILLUMINATI
Games like ILLUMINATI include Slay the Spire 2, Animation Throwdown: The Quest for Cards, Balatro, Inscryption, and Slay the Spire. We matched them by the tags players give ILLUMINATI on Steam (Strategy, Card Battler, Casual, Card Game, and 2D): closest matches first, and among equally close ones the better-known games.

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

Animation Throwdown: The Quest for Cards
Shared: Card Battler · Strategy · Card Game

Balatro
Shared: Card Game · Strategy · Casual

Inscryption
Shared: Card Battler · Card Game · Strategy

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

9 Kings
Shared: Strategy · Card Game · Card Battler

Bloons TD 6
Shared: Strategy · Casual · 3D

Liars Bar
Shared: PvP · Casual · 3D

ShellShock Live
Shared: Strategy · 2D · Casual

DICEOMANCER
Shared: Strategy · Card Battler · Card Game

Plague Inc: Evolved
Shared: Strategy · Casual · Indie

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

Morimens
Shared: Card Battler · PvP · Strategy

Shadowverse: Worlds Beyond
Shared: Card Battler · PvP · Strategy

The Bazaar
Shared: Strategy · Card Battler · Card Game

Stacklands
Shared: Card Game · Card Battler · Strategy

Library Of Ruina
Shared: Strategy · Card Game · Turn-Based Combat

Monster Train
Shared: Card Battler · Card Game · Strategy

Magic: The Gathering Arena
Shared: Strategy · Card Game · PvP

Griftlands
Shared: Card Battler · Strategy · Card Game

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Strategy · Casual · Card Game

Buckshot Roulette
Shared: Strategy · 3D · PvP

Armello
Shared: PvP · Strategy · Card Game

Ratropolis
Shared: Card Battler · Strategy · 2D