Games like Dungeon Arsenal
Games like Dungeon Arsenal include Slay the Spire, Balatro, Stacklands, Slay the Spire 2, and Inscryption. We matched them by the tags players give Dungeon Arsenal on Steam (Card Battler, Roguelite, Perma Death, Card Game, and Tabletop): closest matches first, and among equally close ones the better-known games.

Slay the Spire
Shared: Card Battler · Card Game · Roguelite

Balatro
Shared: Card Game · Roguelite · Strategy

Stacklands
Shared: Card Game · Roguelite · Card Battler

Slay the Spire 2
Shared: Card Game · Card Battler · Strategy

Inscryption
Shared: Card Battler · Card Game · Roguelite

Ratropolis
Shared: Card Battler · Roguelite · 2D

Wildfrost
Shared: Card Battler · Card Game · Roguelite

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

Dungeons & Degenerate Gamblers
Shared: Card Battler · Card Game · Strategy

Monster Train
Shared: Card Battler · Roguelite · Card Game

Griftlands
Shared: Card Battler · Roguelite · Card Game

Cross Blitz
Shared: Roguelite · Card Battler · Card Game

9 Kings
Shared: Strategy · Card Game · Roguelite

Super Fantasy Kingdom
Shared: Roguelite · Strategy · Card Game

Die in the Dungeon
Shared: Card Game · Strategy · Card Battler

FTL: Faster Than Light
Shared: Strategy · Perma Death · Singleplayer

Vampire Survivors
Shared: Roguelite · 2D · Pixel Graphics

None Shall Intrude
Shared: Card Battler · Roguelite · Card Game

Dicey Dungeons
Shared: Card Battler · Roguelite · Card Game

Loop Hero
Shared: Roguelite · Pixel Graphics · Card Game

Peglin
Shared: Roguelite · Perma Death · Strategy

Dream of Corpse Lady
Shared: Card Battler · Card Game · Strategy

Stray Path
Shared: Card Battler · Roguelite · Strategy

Roguebook
Shared: Card Game · Roguelite · Strategy