Games like Soulkin
Games like Soulkin include Balatro, Crown Trick, Slay the Spire, The Binding of Isaac: Rebirth, and Into the Breach. We matched them by the tags players give Soulkin on Steam (Turn-Based Strategy, Creature Collector, Roguelite, Difficult, and Replay Value): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Roguelike · Roguelite · Replay Value

Crown Trick
Shared: Roguelite · Roguelike · Turn-Based Combat

Slay the Spire
Shared: Roguelike · Roguelite · Replay Value

The Binding of Isaac: Rebirth
Shared: Difficult · Replay Value · Roguelike

Into the Breach
Shared: Turn-Based Strategy · Roguelite · Roguelike

Shogun Showdown
Shared: Replay Value · Turn-Based Strategy · Roguelike

Othercide
Shared: Roguelite · Female Protagonist · Turn-Based Combat

Sid Meier's Civilization® V
Shared: Turn-Based Strategy · Turn-Based · Strategy

FTL: Faster Than Light
Shared: Roguelike · Difficult · Replay Value

XCOM: Enemy Unknown
Shared: Turn-Based Strategy · Difficult · Turn-Based

Slay the Spire 2
Shared: Roguelike · Difficult · Roguelite

Darkest Dungeon®
Shared: Turn-Based Combat · Difficult · Roguelike

LONESTAR
Shared: Turn-Based Strategy · Roguelike · Roguelite

Monster Train
Shared: Roguelite · Turn-Based Strategy · Difficult

Wildfrost
Shared: Difficult · Roguelite · Roguelike

Alina of the Arena
Shared: Roguelite · Roguelike · Hex Grid

The Binding of Isaac
Shared: Difficult · Replay Value · Roguelike

Digimon Story Cyber Sleuth: Complete Edition
Shared: Creature Collector · Turn-Based Strategy · Turn-Based Combat

Chrono Ark
Shared: Roguelite · Anime · Female Protagonist

Backpack Hero
Shared: Replay Value · Turn-Based · Roguelike

Hades
Shared: Roguelite · Roguelike · Indie

Legend Creatures(传奇生物)
Shared: Roguelite · Roguelike · Replay Value

Quasimorph
Shared: Turn-Based Strategy · Turn-Based Combat · Roguelike

Peglin
Shared: Roguelite · Roguelike · Turn-Based