Games like Noir Lords
Games like Noir Lords include Slay the Spire, Balatro, Slay the Spire 2, Dicey Dungeons, and Inscryption. We matched them by the tags players give Noir Lords on Steam (Card Game, Card Battler, Roguelike Deckbuilder, Deckbuilding, and Noir): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Card Game · Roguelike Deckbuilder · Deckbuilding

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

Dicey Dungeons
Shared: Card Battler · Roguelike Deckbuilder · Deckbuilding

Inscryption
Shared: Card Game · Card Battler · Deckbuilding

Wildfrost
Shared: Card Battler · Card Game · Roguelike Deckbuilder

Monster Train
Shared: Card Battler · Card Game · Deckbuilding

9 Kings
Shared: Card Game · Deckbuilding · Roguelike Deckbuilder

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

DICEOMANCER
Shared: Card Game · Card Battler · Roguelike Deckbuilder

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

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

Across the Obelisk
Shared: Card Game · Roguelike Deckbuilder · Card Battler

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

Griftlands
Shared: Card Battler · Deckbuilding · Card Game

Vault of the Void
Shared: Roguelike Deckbuilder · Deckbuilding · Indie

Menace from the Deep
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

Ratropolis
Shared: Card Battler · Deckbuilding · Card Game

Roguebook
Shared: Card Game · Deckbuilding · Indie

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

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

Black Jacket
Shared: Card Game · Roguelike Deckbuilder · Deckbuilding

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

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