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

Inscryption
Shared: Card Battler · Card Game · Deckbuilding

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

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

Balatro
Shared: Card Game · Strategy · Deckbuilding

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

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

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

The Bazaar
Shared: Card Battler · Strategy · Card Game

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

Shadowverse: Worlds Beyond
Shared: Trading Card Game · Card Battler · Deckbuilding

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

Cross Blitz
Shared: Card Battler · Card Game · Deckbuilding

Yu-Gi-Oh! Legacy of the Duelist
Shared: Card Battler · Card Game · Trading Card Game

Ratropolis
Shared: Card Battler · 2D · Strategy

Griftlands
Shared: Card Battler · Card Game · Deckbuilding

One Turn Kill
Shared: Card Game · Strategy · Card Battler

Stacklands
Shared: Card Game · Card Battler · Strategy

DICEOMANCER
Shared: Card Battler · Card Game · Strategy

9 Kings
Shared: Strategy · Card Game · Deckbuilding

Die in the Dungeon
Shared: Strategy · Card Game · Card Battler

Dicey Dungeons
Shared: Card Battler · Deckbuilding · Strategy

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

Cardfight!! Vanguard Dear Days
Shared: Trading Card Game · Strategy · Card Game

RUNGORE
Shared: Trading Card Game · Card Battler · Card Game