Games like Happy Poker
Games like Happy Poker include Balatro, Slay the Spire, Slay the Spire 2, Dicey Dungeons, and RACCOIN: Coin Pusher Roguelike. We matched them by the tags players give Happy Poker on Steam (Roguelike Deckbuilder, Card Game, Strategy, Funny, and Solitaire): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Card Game · Roguelike Deckbuilder · Strategy

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

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

Dicey Dungeons
Shared: Roguelike Deckbuilder · Roguelite · Strategy

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

9 Kings
Shared: Strategy · Card Game · Roguelike Deckbuilder

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

Monster Train 2
Shared: Roguelike Deckbuilder · Card Game · Strategy

Monster Train
Shared: Card Game · Roguelite · Deckbuilding

Wildfrost
Shared: Roguelike Deckbuilder · Card Game · Roguelite

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

Stacklands
Shared: Card Game · Strategy · Roguelite

Cobalt Core
Shared: Roguelike Deckbuilder · Card Game · Strategy

Meme Mayhem
Shared: Roguelike Deckbuilder · Card Game · Strategy

Black Jacket
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

Across the Obelisk
Shared: Roguelike Deckbuilder · Card Game · Turn-Based Strategy

Commander Quest
Shared: Roguelike Deckbuilder · Card Game · Strategy

Dungeon Clawler
Shared: Roguelike Deckbuilder · Strategy · Replay Value

DICEOMANCER
Shared: Card Game · Strategy · Roguelike Deckbuilder

My Card Is Better Than Your Card!
Shared: Card Game · Roguelike Deckbuilder · Strategy

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

StarVaders
Shared: Roguelike Deckbuilder · Card Game · Deckbuilding

Backpack Hero
Shared: Roguelike Deckbuilder · Replay Value · Strategy

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