Games like Tenebrix
Games like Tenebrix include Slay the Spire, Slay the Spire 2, Vampire Crawlers: The Turbo Wildcard from Vampire Survivors, Balatro, and Inscryption. We matched them by the tags players give Tenebrix on Steam (Deckbuilding, Dungeon Crawler, Roguelike, Tactical, and Dark Fantasy): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Deckbuilding · Roguelike · Card Game

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

Vampire Crawlers: The Turbo Wildcard from Vampire Survivors
Shared: Dungeon Crawler · Deckbuilding · Roguelike

Balatro
Shared: Roguelike · Deckbuilding · Card Game

Inscryption
Shared: Deckbuilding · Card Game · Card Battler

Loop Hero
Shared: Roguelike · Deckbuilding · Tactical

Darkest Dungeon®
Shared: Dungeon Crawler · Roguelike · Dark Fantasy

Magic: The Gathering Arena
Shared: Deckbuilding · Strategy · Card Game

Die in the Dungeon
Shared: Deckbuilding · Roguelike · Strategy

9 Kings
Shared: Roguelike · Deckbuilding · Strategy

天外武林 (Traveler of Wuxia)
Shared: Deckbuilding · Roguelike · Card Game

Across the Obelisk
Shared: Tactical · Deckbuilding · Roguelike

Deepest Chamber: Resurrection
Shared: Deckbuilding · Roguelike · Dungeon Crawler

Dicey Dungeons
Shared: Deckbuilding · Roguelike · Card Battler

Knock on the Coffin Lid
Shared: Dark Fantasy · Deckbuilding · Roguelike

Monster Train
Shared: Deckbuilding · Roguelike · Card Battler

Tainted Grail: Conquest
Shared: Deckbuilding · Roguelike · Dark Fantasy

He is Coming
Shared: Roguelike · Strategy · Dungeon Crawler

Villages & Dungeons
Shared: Deckbuilding · Roguelike · Dungeon Crawler

Book of Demons
Shared: Dungeon Crawler · Deckbuilding · Dark Fantasy

HELLCARD
Shared: Roguelike · Deckbuilding · Card Battler

Dice & Fold
Shared: Dungeon Crawler · Roguelike · Deckbuilding

DICEOMANCER
Shared: Deckbuilding · Strategy · Card Game

The Bazaar
Shared: Deckbuilding · Strategy · Card Game