Games like Blackjack Wars
Games like Blackjack Wars include Balatro, Slay the Spire, Slay the Spire 2, DICEOMANCER, and Vampire Crawlers: The Turbo Wildcard from Vampire Survivors. We matched them by the tags players give Blackjack Wars on Steam (Strategy, Singleplayer, Casual, Card Battler, and Card Game): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Card Game · Singleplayer · Strategy

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

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

DICEOMANCER
Shared: Strategy · Card Battler · Card Game

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

Slots & Daggers
Shared: Strategy · Casual · Dark Fantasy

Library Of Ruina
Shared: Strategy · Card Game · Singleplayer

Inscryption
Shared: Card Battler · Card Game · Strategy

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

Stacklands
Shared: Card Game · Strategy · Card Battler

Mini Motorways
Shared: Strategy · Casual · Singleplayer

GWENT: The Witcher Card Game
Shared: Strategy · Card Game · Singleplayer

Ratropolis
Shared: Strategy · Card Battler · Singleplayer

Overdungeon
Shared: Strategy · Casual · Card Battler

Dicey Dungeons
Shared: Card Battler · Strategy · Singleplayer

Yu-Gi-Oh! Legacy of the Duelist
Shared: Card Battler · Card Game · Strategy

Magic: The Gathering Arena
Shared: Strategy · Card Game · Deckbuilding

Plague Inc: Evolved
Shared: Strategy · Singleplayer · Casual

Plants vs. Zombies GOTY Edition
Shared: Strategy · Singleplayer · Casual

Nubby's Number Factory
Shared: Strategy · Singleplayer · Stylized

Esports Godfather
Shared: Strategy · Card Battler · Card Game

Shadowverse: Worlds Beyond
Shared: Card Battler · Strategy · Deckbuilding

Sultan's Game
Shared: Singleplayer · Strategy · Card Game

Bloons TD 6
Shared: Strategy · Singleplayer · Casual