Games like Pawnbarian
Games like Pawnbarian include Slay the Spire 2, Slay the Spire, Monster Train, Balatro, and Inscryption. We matched them by the tags players give Pawnbarian on Steam (Roguelike, Turn-Based Combat, Chess, Card Game, and Puzzle): closest matches first, and among equally close ones the better-known games.

Slay the Spire 2
Shared: Roguelike · Card Game · Turn-Based Combat

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

Monster Train
Shared: Card Game · Roguelike · Roguelite

Balatro
Shared: Roguelike · Card Game · Strategy

Inscryption
Shared: Card Game · Roguelike · Card Battler

9 Kings
Shared: Roguelike · Card Game · Strategy

Die in the Dungeon
Shared: Roguelike · Card Game · Turn-Based Combat

Into the Breach
Shared: Roguelike · Strategy · Puzzle

Wildfrost
Shared: Card Game · Roguelike · Card Battler

LONESTAR
Shared: Roguelike · Turn-Based Combat · Strategy

Dicey Dungeons
Shared: Roguelike · Roguelite · Card Battler

StarVaders
Shared: Roguelike · Card Game · Roguelite

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Roguelike · Card Battler · Card Game

Super Fantasy Kingdom
Shared: Roguelike · Strategy · Card Game

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

Dice & Fold
Shared: Turn-Based Combat · Roguelike · Card Battler

Roguebook
Shared: Card Game · Roguelike · Roguelite

Astrea: Six-Sided Oracles
Shared: Roguelike · Card Game · Turn-Based Combat

Griftlands
Shared: Roguelite · Card Battler · Card Game

Breachway
Shared: Roguelike · Card Game · Turn-Based Combat

GWENT: Rogue Mage (Single-Player Expansion)
Shared: Card Game · Roguelike · Puzzle

Dream of Corpse Lady
Shared: Card Game · Strategy · Roguelike

Big Bia
Shared: Turn-Based Combat · Roguelike · Roguelite

Alina of the Arena
Shared: Roguelike · Card Game · Roguelite