Games like Hex Blast
Games like Hex Blast include Slay the Spire, Balatro, Slay the Spire 2, Monster Train, and Monster Train 2. We matched them by the tags players give Hex Blast on Steam (Roguelike Deckbuilder, Turn-Based Strategy, Hex Grid, Deckbuilding, and Card Game): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

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

Monster Train
Shared: Deckbuilding · Card Game · Turn-Based Strategy

Monster Train 2
Shared: Roguelike Deckbuilder · Turn-Based Strategy · Card Game

Wildfrost
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

RACCOIN: Coin Pusher Roguelike
Shared: Roguelike Deckbuilder · Deckbuilding · Roguelike

Inscryption
Shared: Card Game · Deckbuilding · Card Battler

9 Kings
Shared: Roguelike Deckbuilder · Strategy · Card Game

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

DICEOMANCER
Shared: Roguelike Deckbuilder · Card Game · Strategy

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

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

Across the Obelisk
Shared: Turn-Based Strategy · Roguelike Deckbuilder · Card Game

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

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

Astrea: Six-Sided Oracles
Shared: Roguelike Deckbuilder · Card Game · Roguelike

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

My Card Is Better Than Your Card!
Shared: Deckbuilding · Card Game · Roguelike Deckbuilder

Hadean Tactics
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

StarVaders
Shared: Roguelike Deckbuilder · Deckbuilding · Turn-Based Strategy

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

Black Jacket
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding