Games like Knock on the Coffin Lid
Games like Knock on the Coffin Lid include Slay the Spire, Balatro, Slay the Spire 2, Dicey Dungeons, and 9 Kings. We matched them by the tags players give Knock on the Coffin Lid on Steam (Fantasy, Dark Fantasy, Zombies, Roguelike Deckbuilder, and Card Game): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Card Game · Roguelike Deckbuilder · Roguelike

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

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Deckbuilding

9 Kings
Shared: Card Game · Roguelike Deckbuilder · Roguelike

Dungeons & Degenerate Gamblers
Shared: Roguelike Deckbuilder · Card Game · Roguelike

Super Fantasy Kingdom
Shared: Fantasy · Roguelike · Card Game

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Die in the Dungeon
Shared: Roguelike · Roguelike Deckbuilder · Card Game

Gordian Quest
Shared: Card Game · Card Battler · Roguelike Deckbuilder

Yao-Guai Hunter
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Roguebook
Shared: Card Game · Deckbuilding · Roguelike

Tainted Grail: Conquest
Shared: Dark Fantasy · Card Game · Deckbuilding

Backpack Hero
Shared: Roguelike Deckbuilder · Fantasy · Turn-Based

Hand of Fate
Shared: Roguelike Deckbuilder · Card Game · Roguelike

Darkest Dungeon®
Shared: Dark Fantasy · Roguelike · Turn-Based

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

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

He is Coming
Shared: Fantasy · Roguelike · Strategy

Griftlands
Shared: Card Battler · Deckbuilding · Card Game

Inscryption
Shared: Card Game · Card Battler · Deckbuilding

Book of Demons
Shared: Roguelike Deckbuilder · Dark Fantasy · Fantasy

Indies' Lies
Shared: Roguelike Deckbuilder · Card Game · Card Battler

Guild of Dungeoneering Ultimate Edition
Shared: Roguelike Deckbuilder · Roguelike · Card Game