Games like CD 2: Trap Master
Games like CD 2: Trap Master include Slay the Spire, Balatro, Inscryption, Slay the Spire 2, and Vampire Crawlers: The Turbo Wildcard from Vampire Survivors. We matched them by the tags players give CD 2: Trap Master on Steam (Indie, 3D, Tower Defense, Card Battler, and Roguelike): closest matches first, and among equally close ones the better-known games.

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

Balatro
Shared: Roguelike · Card Game · Deckbuilding

Inscryption
Shared: Card Battler · Deckbuilding · Card Game

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

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

Dicey Dungeons
Shared: Card Battler · Indie · Deckbuilding

The Binding of Isaac: Rebirth
Shared: Indie · Roguelike · Replay Value

Die in the Dungeon
Shared: Roguelike · Deckbuilding · Indie

9 Kings
Shared: Roguelike · Strategy · Deckbuilding

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

Overdungeon
Shared: Indie · Card Battler · Strategy

Emberward
Shared: Tower Defense · 3D · Indie

The Binding of Isaac
Shared: Indie · Roguelike · Dark

Rogue Tower
Shared: Tower Defense · Roguelike · 3D

Monster Train
Shared: Card Battler · Deckbuilding · Roguelike

Wildfrost
Shared: Card Battler · Card Game · Deckbuilding

Ratropolis
Shared: Card Battler · Deckbuilding · Strategy

DICEOMANCER
Shared: Card Battler · Card Game · Strategy

Across the Obelisk
Shared: Roguelike · Card Battler · Indie

Loop Hero
Shared: Roguelike · Indie · Deckbuilding

Griftlands
Shared: Card Battler · Deckbuilding · Roguelite

Dungeon of the ENDLESS™
Shared: Tower Defense · Indie · Roguelike

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

NEOVERSE
Shared: Card Battler · Deckbuilding · Indie