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

Slay the Spire
Shared: Roguelike Deckbuilder · Card Battler · Turn-Based

Balatro
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

Slay the Spire 2
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Turn-Based

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

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

Backpack Hero
Shared: Roguelike Deckbuilder · Turn-Based · Deckbuilding

Monster Train
Shared: Card Battler · Deckbuilding · Roguelike Deckbuilder

Gordian Quest
Shared: Card Battler · Strategy · Turn-Based

Knock on the Coffin Lid
Shared: Roguelike Deckbuilder · Fantasy · Card Battler

Griftlands
Shared: Card Battler · Turn-Based · Deckbuilding

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

SpellRogue
Shared: Dice · Roguelike Deckbuilder · Card Battler

Dungeons & Degenerate Gamblers
Shared: Roguelike Deckbuilder · Strategy · Card Battler

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

9 Kings
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

Commander Quest
Shared: Roguelike Deckbuilder · Strategy · Card Battler

Magic: The Gathering Arena
Shared: Strategy · Deckbuilding · Fantasy

DICEOMANCER
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Ratropolis
Shared: Card Battler · Strategy · Deckbuilding

Monster Train 2
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding

LONESTAR
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Die in the Dungeon
Shared: Roguelike Deckbuilder · Strategy · Card Battler

Super Fantasy Kingdom
Shared: Strategy · Roguelike Deckbuilder · Fantasy