Games like Nine Realms: Revolt
Games like Nine Realms: Revolt include Slay the Spire, Slay the Spire 2, Balatro, Inscryption, and Ratropolis. We matched them by the tags players give Nine Realms: Revolt on Steam (Deckbuilding, Card Game, Card Battler, Strategy, and 2D): closest matches first, and among equally close ones the better-known games.

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

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

Balatro
Shared: Card Game · Deckbuilding · Strategy

Inscryption
Shared: Card Game · Card Battler · Deckbuilding

Ratropolis
Shared: Deckbuilding · Card Battler · 2D

Library Of Ruina
Shared: Card Game · Deckbuilding · Strategy

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

Stacklands
Shared: Card Game · Card Battler · Strategy

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

9 Kings
Shared: Strategy · Card Game · Deckbuilding

Roguebook
Shared: Card Game · Deckbuilding · Indie

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

Griftlands
Shared: Deckbuilding · Card Battler · Card Game

The Bazaar
Shared: Deckbuilding · Strategy · Card Battler

Dicey Dungeons
Shared: Deckbuilding · Card Battler · Card Game

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

DICEOMANCER
Shared: Card Game · Strategy · Card Battler

Ascension: Deckbuilding Game
Shared: Deckbuilding · Card Battler · Card Game

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

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

Super Fantasy Kingdom
Shared: Strategy · Card Game · Deckbuilding

Cross Blitz
Shared: Deckbuilding · Card Game · Card Battler

Wildfrost
Shared: Card Battler · Card Game · Deckbuilding

None Shall Intrude
Shared: Card Game · Strategy · Card Battler