Games like Zodiac Mountain
Games like Zodiac Mountain include Slay the Spire, Slay the Spire 2, Balatro, Dicey Dungeons, and 9 Kings. We matched them by the tags players give Zodiac Mountain on Steam (Roguelike Deckbuilder, Deckbuilding, Card Battler, Roguelike, and Strategy): 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 · Roguelike · Roguelike Deckbuilder

Balatro
Shared: Roguelike Deckbuilder · Deckbuilding · Roguelike

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

9 Kings
Shared: Strategy · Roguelike · Deckbuilding

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

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

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

Monster Train
Shared: Card Battler · Deckbuilding · Card Game

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Inscryption
Shared: Card Battler · Deckbuilding · Card Game

Super Fantasy Kingdom
Shared: Strategy · Roguelike · Deckbuilding

Breachway
Shared: Deckbuilding · Roguelike · Roguelike Deckbuilder

DICEOMANCER
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Ratropolis
Shared: Deckbuilding · Card Battler · Strategy

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

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

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

He is Coming
Shared: Roguelike · Strategy · Deckbuilding

RACCOIN: Coin Pusher Roguelike
Shared: Deckbuilding · Roguelike Deckbuilder · Roguelike

Commander Quest
Shared: Roguelike Deckbuilder · Deckbuilding · Strategy

Griftlands
Shared: Card Battler · Deckbuilding · Roguelite

Luck be a Landlord
Shared: Roguelike Deckbuilder · Deckbuilding · Strategy

Vault of the Void
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler