Games like Trials of Fire
Games like Trials of Fire include Slay the Spire, Wildfrost, Monster Train, Darkest Dungeon® II, and Balatro. We matched them by the tags players give Trials of Fire on Steam (Card Battler, Turn-Based Tactics, Tactical RPG, Roguelite, and Dungeon Crawler): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Card Battler · Roguelike Deckbuilder · Turn-Based

Wildfrost
Shared: Card Battler · Turn-Based Tactics · Roguelite

Monster Train
Shared: Card Battler · Roguelite · Turn-Based Tactics

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

Balatro
Shared: Roguelike Deckbuilder · Card Game · Roguelite

Black Book
Shared: Card Battler · Turn-Based Tactics · Dungeon Crawler

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

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

Dicey Dungeons
Shared: Card Battler · Roguelite · Roguelike Deckbuilder

Griftlands
Shared: Card Battler · Roguelite · Turn-Based

Dice & Fold
Shared: Card Battler · Dungeon Crawler · Roguelike Deckbuilder

The Last Spell
Shared: Turn-Based Tactics · Turn-Based Strategy · Tactical RPG

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

Roguebook
Shared: Roguelite · Turn-Based Tactics · Card Battler

Inscryption
Shared: Card Battler · Card Game · Roguelite

9 Kings
Shared: Roguelite · Card Battler · Roguelike Deckbuilder

Darkest Dungeon®
Shared: Dungeon Crawler · Turn-Based · Perma Death

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

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

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

Banners of Ruin
Shared: Card Battler · Roguelike Deckbuilder · Turn-Based

Astrea: Six-Sided Oracles
Shared: Card Battler · Roguelike Deckbuilder · Turn-Based

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

Marvels Midnight Suns Digital Edition
Shared: Turn-Based Tactics · Tactical RPG · Turn-Based Strategy