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

Balatro
Shared: Card Game · Roguelike · Strategy

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

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

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

Dicey Dungeons
Shared: Roguelike Deckbuilder · Roguelike · Deckbuilding

9 Kings
Shared: Strategy · Card Game · Roguelike

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

DICEOMANCER
Shared: Strategy · Card Game · Roguelike Deckbuilder

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

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

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

Inscryption
Shared: Card Game · Deckbuilding · Roguelike

Luck be a Landlord
Shared: Strategy · Roguelike Deckbuilder · Deckbuilding

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

Demonic Mahjong
Shared: Strategy · Card Game · Roguelike

Commander Quest
Shared: Card Game · Strategy · Roguelike Deckbuilder

Vault of the Void
Shared: Strategy · Roguelike Deckbuilder · Indie

Loop Hero
Shared: Roguelike · Deckbuilding · Card Game

Dicevaders
Shared: Strategy · Roguelike Deckbuilder · Roguelike

Overdungeon
Shared: Strategy · Casual · Roguelike Deckbuilder

Breachway
Shared: Strategy · Card Game · Roguelike

Slots & Daggers
Shared: Strategy · Casual · Roguelike

Black Jacket
Shared: Card Game · Roguelike · Roguelike Deckbuilder

Nubby's Number Factory
Shared: Strategy · Roguelike · Deckbuilding