Games like Phantom Rose 2 Sapphire
Games like Phantom Rose 2 Sapphire include Slay the Spire, Balatro, Slay the Spire 2, Wildfrost, and Dicey Dungeons. We matched them by the tags players give Phantom Rose 2 Sapphire on Steam (Singleplayer, Roguelike Deckbuilder, Card Game, Roguelike, and Deckbuilding): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Card Game · Roguelike Deckbuilder · Roguelike

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

Wildfrost
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Roguelike

9 Kings
Shared: Roguelike · Card Game · Roguelike Deckbuilder

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

Monster Train
Shared: Card Game · Deckbuilding · Card Battler

Black Jacket
Shared: Roguelike Deckbuilder · Card Game · Singleplayer

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

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

Yao-Guai Hunter
Shared: Roguelike Deckbuilder · Card Game · Roguelike

Roguebook
Shared: Card Game · Singleplayer · Deckbuilding

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

Banners of Ruin
Shared: Roguelike Deckbuilder · Card Game · Roguelike

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

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

The Binding of Isaac: Rebirth
Shared: Roguelike · Singleplayer · Replay Value

Shogun Showdown
Shared: Roguelike · Replay Value · Roguelike Deckbuilder

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

Deathless. The Hero Quest
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

Guild of Dungeoneering Ultimate Edition
Shared: Roguelike Deckbuilder · Roguelike · Card Game

Backpack Hero
Shared: Roguelike Deckbuilder · Replay Value · Deckbuilding

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