Games like Soulblaze
Games like Soulblaze include Mewgenics, Slay the Spire 2, Slay the Spire, Balatro, and StarVaders. We matched them by the tags players give Soulblaze on Steam (Turn-Based Tactics, Creature Collector, Roguelike Deckbuilder, Roguelite, and Tabletop): closest matches first, and among equally close ones the better-known games.

Mewgenics
Shared: Turn-Based Tactics · Roguelite · RPG

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

Slay the Spire
Shared: Roguelike Deckbuilder · Roguelike · Roguelite

Balatro
Shared: Roguelike Deckbuilder · Roguelike · Roguelite

StarVaders
Shared: Turn-Based Tactics · Roguelike Deckbuilder · Roguelite

Alina of the Arena
Shared: Turn-Based Tactics · Roguelike Deckbuilder · Roguelike

9 Kings
Shared: Roguelike · Roguelike Deckbuilder · RPG

Chrono Ark
Shared: Roguelike Deckbuilder · Roguelite · RPG

Monster Train
Shared: Roguelite · Turn-Based Tactics · Roguelike

Darkest Dungeon® II
Shared: Turn-Based Tactics · Roguelite · Roguelike

Dicey Dungeons
Shared: Roguelike Deckbuilder · Roguelite · Roguelike

Super Fantasy Kingdom
Shared: Roguelite · Roguelike · RPG

Roguebook
Shared: RPG · Roguelite · Turn-Based Tactics

Peglin
Shared: Roguelite · Roguelike · 2D

Wildfrost
Shared: Roguelike Deckbuilder · Turn-Based Tactics · Roguelite

Hades II
Shared: Roguelite · Roguelike · Female Protagonist

LONESTAR
Shared: Turn-Based Tactics · Roguelike · Roguelike Deckbuilder

Home Behind 2
Shared: Roguelike · Roguelite · RPG

Dream of Corpse Lady
Shared: Turn-Based Tactics · Roguelite · Roguelike Deckbuilder

As We Descend
Shared: Roguelike Deckbuilder · Turn-Based Tactics · Roguelike

Brutal Orchestra
Shared: Turn-Based Tactics · Roguelite · Roguelike

Rune Dice
Shared: Roguelike Deckbuilder · Roguelite · Roguelike

Dungeons & Degenerate Gamblers
Shared: Roguelike Deckbuilder · Roguelike · Roguelite

Dicefolk
Shared: Roguelike Deckbuilder · Creature Collector · Roguelite