Games like Archon Soul: Prologue
Games like Archon Soul: Prologue 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: Prologue 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 · Roguelike · Deckbuilding

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

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

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

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

SpellRogue
Shared: Dice · Roguelike Deckbuilder · Card Battler

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

9 Kings
Shared: Strategy · Roguelike Deckbuilder · Roguelike

Monster Train
Shared: Card Battler · Deckbuilding · Roguelike

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

Griftlands
Shared: Card Battler · Deckbuilding · Turn-Based

DICEOMANCER
Shared: Roguelike Deckbuilder · Card Battler · Strategy

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

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

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

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

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

Banners of Ruin
Shared: Roguelike Deckbuilder · Card Battler · Turn-Based

My Card Is Better Than Your Card!
Shared: Roguelike Deckbuilder · Turn-Based · Roguelike

Inscryption
Shared: Card Battler · Deckbuilding · Card Game

Breachway
Shared: Roguelike Deckbuilder · Strategy · Roguelike

Deathless. The Hero Quest
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

Commander Quest
Shared: Roguelike Deckbuilder · Strategy · Deckbuilding