Games like Curtain Call
Games like Curtain Call include Balatro, Slay the Spire, Slay the Spire 2, 9 Kings, and Inscryption. We matched them by the tags players give Curtain Call on Steam (Card Battler, Strategy, Card Game, Roguelite, and Roguelike): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Card Game · Roguelike · Strategy

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

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

9 Kings
Shared: Strategy · Card Game · Roguelike

Inscryption
Shared: Card Battler · Card Game · Deckbuilding

Monster Train
Shared: Card Battler · Card Game · Roguelite

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

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

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

Dicey Dungeons
Shared: Card Battler · Roguelite · Roguelike Deckbuilder

Griftlands
Shared: Card Battler · Roguelite · Deckbuilding

Super Fantasy Kingdom
Shared: Strategy · Roguelike · Roguelite

Ratropolis
Shared: Card Battler · Strategy · Roguelite

Breachway
Shared: Strategy · Card Game · Roguelike

Wildfrost
Shared: Card Battler · Card Game · Roguelike Deckbuilder

DICEOMANCER
Shared: Strategy · Card Battler · Card Game

Luck be a Landlord
Shared: Strategy · Roguelite · Deckbuilding

Astrea: Six-Sided Oracles
Shared: Card Battler · Card Game · Strategy

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

Loop Hero
Shared: Roguelike · Roguelite · Deckbuilding

Combolands: Roguelike Citybuilder
Shared: Strategy · Roguelite · Roguelike

Cubic Cosmos
Shared: Card Battler · Card Game · Strategy

Stacklands
Shared: Card Game · Card Battler · Roguelite

Yao-Guai Hunter
Shared: Card Game · Card Battler · Roguelike Deckbuilder