Games like Circadian Dice
Games like Circadian Dice include Slay the Spire, Slay the Spire 2, Balatro, Monster Train, and Wildfrost. We matched them by the tags players give Circadian Dice on Steam (Roguelike Deckbuilder, Deckbuilding, Turn-Based Tactics, Singleplayer, and Strategy): closest matches first, and among equally close ones the better-known games.

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

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

Balatro
Shared: Roguelike Deckbuilder · Deckbuilding · Card Game

Monster Train
Shared: Deckbuilding · Turn-Based Tactics · Card Battler

Wildfrost
Shared: Roguelike Deckbuilder · Turn-Based Tactics · Card Battler

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

9 Kings
Shared: Strategy · Deckbuilding · Roguelike Deckbuilder

StarVaders
Shared: Roguelike Deckbuilder · Deckbuilding · Turn-Based Tactics

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

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

As We Descend
Shared: Roguelike Deckbuilder · Deckbuilding · Turn-Based Tactics

Touhou: Lost Branch of Legend
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

LONESTAR
Shared: Turn-Based Tactics · Roguelike Deckbuilder · Strategy

Roguebook
Shared: Deckbuilding · Singleplayer · Card Game

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

Marvels Midnight Suns Digital Edition
Shared: Deckbuilding · Turn-Based Tactics · Turn-Based Strategy

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

Super Fantasy Kingdom
Shared: Strategy · Deckbuilding · Roguelike Deckbuilder

DICEOMANCER
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

Fights in Tight Spaces
Shared: Deckbuilding · Strategy · Turn-Based Tactics

Cubic Cosmos
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

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

Dice & Fold
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

Alina of the Arena
Shared: Roguelike Deckbuilder · Turn-Based Tactics · Card Game