Blackjack Attack: Master 21

Contains adsIn-app purchases
Content rating
Teen
0+
Downloads
Content rating
Teen
Simulated Gambling
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About this game

Experience authentic 21 built for every level of play with Blackjack Attack—the flexible table simulator designed to test rules, refine decision-making, and explore advanced play styles.

Whether you want a clean, fast-paced classic game, a tool to practice perfect basic strategy, or a sandbox to test popular betting systems, Blackjack Attack puts complete control over the table in your hands.

Core Features

💡 Classic 21 & Strategy Practice: Master optimal play with real-time basic strategy hints. Get immediate feedback on every hit, stand, double, surrender, and split.

⚙️ Custom Casino Rules: Tweak table settings to mirror any real-world casino. Adjust deck counts, dealer Soft 17 behavior, double-down restrictions, surrender options, and split limits.

📈 Advanced Betting Systems: Turn on classic progression systems—including Martingale, Paroli, Fibonacci, and 1-3-2-6—and let the game automatically execute bet sizing in real time to see how bankrolls handle streaks and drawdowns.

⚡ Ultra-Fast Quick Play: Toggle high-speed deals to eliminate waiting animations and practice hundreds of hands in minutes.

👥 Multi-Seat & AI Tablemates: Occupy multiple hands at once or fill empty seats with smart AI players to simulate an active casino table.

📊 Detailed Analytics: Monitor long-term performance with comprehensive tracking for win/loss ratios, strategy accuracy, payouts, and bankroll trends.

From casual hands on the go to deep rule-testing and system analysis, download Blackjack Attack and master the felt today!
Play classic 21, customize table rules, master strategy, & test betting systems!
Updated on
Sep 10, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    App activity, App info and performance, and Device or other IDs
  • This app may collect these data types
    App activity, App info and performance, and Device or other IDs
  • Data is encrypted in transit

What’s new

Welcome to Blackjack Attack! Master the table with the ultimate 21 strategy simulator.
Strategy Hints: Get instant feedback on optimal play.
Custom Rules: Replicate real casino settings (decks, Soft 17, surrender).
Quick Play: Ultra-fast deals for high-speed practice.
Auto Play: Test automated betting strategies automatically.
Multi-Seat & AI: Play multiple hands or add computer players.
Deep Stats: Track your accuracy, win rates, and trends.