Games like Kemotaku
Games like Kemotaku include Slay the Spire, Slay the Spire 2, Balatro, Inscryption, and Monster Train. We matched them by the tags players give Kemotaku on Steam (Card Game, Card Battler, Puzzle, Roguelike Deckbuilder, and Tower Defense): closest matches first, and among equally close ones the better-known games.

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

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

Balatro
Shared: Card Game · Roguelike Deckbuilder · Roguelike

Inscryption
Shared: Card Game · Card Battler · Puzzle

Monster Train
Shared: Card Battler · Card Game · Roguelike

Dicey Dungeons
Shared: Card Battler · Roguelike Deckbuilder · Card Game

9 Kings
Shared: Card Game · Strategy · Roguelike

Wildfrost
Shared: Card Battler · Card Game · Roguelike Deckbuilder

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

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

DICEOMANCER
Shared: Card Game · Card Battler · Roguelike Deckbuilder

Cubic Cosmos
Shared: Card Battler · Roguelike Deckbuilder · Card Game

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

StarVaders
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

As We Descend
Shared: Card Battler · Card Game · Roguelike Deckbuilder

Super Fantasy Kingdom
Shared: Card Game · Strategy · Roguelike

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

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

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

Touhou: Lost Branch of Legend
Shared: Roguelike Deckbuilder · Card Battler · Card Game

Griftlands
Shared: Card Battler · Card Game · Deckbuilding

Dice & Fold
Shared: Card Battler · Roguelike Deckbuilder · Roguelike

Breachway
Shared: Card Game · Roguelike · Strategy

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