Games like Astrea: Six-Sided Oracles
Games like Astrea: Six-Sided Oracles include Slay the Spire, Balatro, Slay the Spire 2, Dicey Dungeons, and Monster Train. We matched them by the tags players give Astrea: Six-Sided Oracles on Steam (Dice, Roguelike Deckbuilder, Card Battler, Card Game, and Roguelike): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Roguelike Deckbuilder · Card Game · Roguelike

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

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Roguelike

Monster Train
Shared: Card Battler · Card Game · Roguelike

9 Kings
Shared: Strategy · Card Game · Roguelike

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

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

SpellRogue
Shared: Dice · Roguelike Deckbuilder · Card Battler

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

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

Across the Obelisk
Shared: Roguelike Deckbuilder · Card Game · Roguelike

Griftlands
Shared: Card Battler · Card Game · Deckbuilding

DICEOMANCER
Shared: Card Battler · Roguelike Deckbuilder · Card Game

Breachway
Shared: Card Game · Roguelike Deckbuilder · Roguelike

LONESTAR
Shared: Roguelike · Card Battler · Roguelike Deckbuilder

Inscryption
Shared: Card Battler · Card Game · Deckbuilding

Super Fantasy Kingdom
Shared: Roguelike · Strategy · Card Game

Roguebook
Shared: Card Game · Deckbuilding · Strategy

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

Gordian Quest
Shared: Card Battler · Card Game · Strategy

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

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