Games like Breach Wanderers
Games like Breach Wanderers include Slay the Spire, Slay the Spire 2, Balatro, Monster Train, and 9 Kings. We matched them by the tags players give Breach Wanderers on Steam (Roguelike Deckbuilder, Deckbuilding, Card Battler, Roguelite, and Card Game): closest matches first, and among equally close ones the better-known games.

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

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

Balatro
Shared: Roguelike Deckbuilder · Deckbuilding · Card Game

Monster Train
Shared: Card Battler · Deckbuilding · Roguelite

9 Kings
Shared: Deckbuilding · Roguelike Deckbuilder · Card Game

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

Inscryption
Shared: Card Battler · Deckbuilding · Card Game

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

Super Fantasy Kingdom
Shared: Roguelite · Roguelike · Deckbuilding

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

Griftlands
Shared: Card Battler · Deckbuilding · Roguelite

Roguebook
Shared: Deckbuilding · Card Game · Roguelite

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

StarVaders
Shared: Roguelike Deckbuilder · Deckbuilding · Roguelite

LONESTAR
Shared: Roguelike Deckbuilder · Card Battler · Roguelike

DICEOMANCER
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Breachway
Shared: Deckbuilding · Roguelike Deckbuilder · Card Game

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

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

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

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

Cubic Cosmos
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

He is Coming
Shared: Roguelike · Roguelite · Deckbuilding