Games like Duck N Roll
Games like Duck N Roll include Balatro, Slay the Spire 2, Slay the Spire, Monster Train, and Across the Obelisk. We matched them by the tags players give Duck N Roll on Steam (Turn-Based Strategy, Roguelike Deckbuilder, Choices Matter, Card Battler, and Roguelite): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Roguelike Deckbuilder · Roguelike · Roguelite

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

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

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

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

Griftlands
Shared: Card Battler · Choices Matter · Roguelite

RACCOIN: Coin Pusher Roguelike
Shared: Roguelike Deckbuilder · Turn-Based Strategy · Roguelike

Dicey Dungeons
Shared: Roguelike Deckbuilder · Card Battler · Roguelite

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

Loop Hero
Shared: Roguelike · Roguelite · Choices Matter

9 Kings
Shared: Roguelike Deckbuilder · Roguelike · Roguelite

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

Vault of the Void
Shared: Roguelike Deckbuilder · Choices Matter · Card Battler

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

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

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

Wildfrost
Shared: Roguelike Deckbuilder · Card Battler · Roguelite

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

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

Inscryption
Shared: Card Battler · Roguelite · Deckbuilding

Stray Path
Shared: Card Battler · Roguelite · Turn-Based Strategy

Hadean Tactics
Shared: Roguelike Deckbuilder · Card Battler · Turn-Based Strategy

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

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