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

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

Balatro
Shared: Card Game · Deckbuilding · Roguelike Deckbuilder

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

Dicey Dungeons
Shared: Roguelike Deckbuilder · Deckbuilding · Card Battler

Tower Tactics: Liberation
Shared: Tower Defense · Card Game · Roguelike Deckbuilder

Inscryption
Shared: Card Game · Deckbuilding · Card Battler

Heretic's Fork
Shared: Tower Defense · Deckbuilding · Card Game

Overdungeon
Shared: Roguelike Deckbuilder · Deckbuilding · Card Game

Wildfrost
Shared: Card Game · Roguelike Deckbuilder · Card Battler

DICEOMANCER
Shared: Card Game · Roguelike Deckbuilder · Deckbuilding

Monster Train
Shared: Card Game · Deckbuilding · Roguelite

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

9 Kings
Shared: Card Game · Deckbuilding · Roguelike Deckbuilder

Ratropolis
Shared: Deckbuilding · Roguelite · Card Battler

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

Griftlands
Shared: Deckbuilding · Roguelite · Card Battler

Stacklands
Shared: Card Game · Roguelite · Card Battler

Cubic Cosmos
Shared: Deckbuilding · Roguelike Deckbuilder · Card Game

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

Vault of the Void
Shared: Deckbuilding · Roguelike Deckbuilder · Card Game

Emberward
Shared: Tower Defense · Deckbuilding · Roguelite

Roguebook
Shared: Card Game · Deckbuilding · Roguelite

Commander Quest
Shared: Card Game · Roguelike Deckbuilder · Deckbuilding

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