Games like Three Kingdoms: The Blood Moon
Games like Three Kingdoms: The Blood Moon include Slay the Spire, Balatro, Slay the Spire 2, Monster Train, and Dicey Dungeons. We matched them by the tags players give Three Kingdoms: The Blood Moon on Steam (Roguelike Deckbuilder, Deckbuilding, Card Game, Card Battler, and Turn-Based Strategy): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

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

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

9 Kings
Shared: Strategy · Card Game · Deckbuilding

Roguebook
Shared: Card Game · Deckbuilding · Strategy

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

Across the Obelisk
Shared: Roguelike Deckbuilder · Turn-Based Strategy · Card Game

Inscryption
Shared: Card Game · Card Battler · Deckbuilding

Griftlands
Shared: Deckbuilding · Card Battler · Card Game

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

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

Black Jacket
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

Touhou: Lost Branch of Legend
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Shogun Showdown
Shared: Roguelike Deckbuilder · Turn-Based Strategy · Turn-Based

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

StarVaders
Shared: Roguelike Deckbuilder · Deckbuilding · Card Game

Monster Train 2
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

My Card Is Better Than Your Card!
Shared: Deckbuilding · Card Game · Roguelike Deckbuilder

As We Descend
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Combolands: Roguelike Citybuilder
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

Alina of the Arena
Shared: Roguelike Deckbuilder · Card Game · Roguelike