Games like Fatespun
Games like Fatespun include Slay the Spire, 9 Kings, Super Fantasy Kingdom, Slay the Spire 2, and He is Coming. We matched them by the tags players give Fatespun on Steam (Auto Battler, Card Battler, RPG, Roguelike Deckbuilder, and Roguelite): closest matches first, and among equally close ones the better-known games.

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

9 Kings
Shared: Auto Battler · RPG · Strategy

Super Fantasy Kingdom
Shared: RPG · Auto Battler · Strategy

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

He is Coming
Shared: Auto Battler · RPG · Strategy

Balatro
Shared: Roguelike Deckbuilder · Card Game · Roguelike

Monster Train
Shared: Card Battler · Roguelite · Card Game

Chrono Ark
Shared: Roguelike Deckbuilder · RPG · Strategy

Inscryption
Shared: Card Battler · Card Game · Roguelite

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

Hadean Tactics
Shared: Auto Battler · Card Battler · Roguelike Deckbuilder

Dicey Dungeons
Shared: Card Battler · Roguelike Deckbuilder · Roguelite

Gordian Quest
Shared: RPG · Card Battler · Card Game

Griftlands
Shared: Card Battler · Roguelite · RPG

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

Commander Quest
Shared: Roguelike Deckbuilder · Card Game · Strategy

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

Wildfrost
Shared: Card Battler · Roguelike Deckbuilder · Card Game

The Bazaar
Shared: Auto Battler · Card Battler · Strategy

Touhou: Lost Branch of Legend
Shared: Roguelike Deckbuilder · Card Battler · Strategy

Hand of Fate
Shared: Roguelike Deckbuilder · RPG · Card Game

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

Roguebook
Shared: RPG · Card Game · Roguelite

Meme Mayhem
Shared: Roguelike Deckbuilder · Auto Battler · Card Game