Updated Aug 19, 2026 ยท v1.1.0
Master the classic Bulls and Cows logic with 3, 4, digits, or Colors Mode.
Whether you are a master of numbers or a fan of color-based puzzles, Hit & Blow Online: 1A2B Guess is the definitive deduction challenge. Test your brain in solo play or prove your genius in real-time 1v1 Online Battles. CHOOSE YOUR CHALLENGE Customize your experience with multiple gameplay modes: Game Mode: The classic experience. Choose from 3, 4-digit codes or colors codes for your preference. In 3, 4-digits codes, the code can't be duplicate. But in colors code, you can choose your color codes from 6 colors accept duplication as your secret code. AI difficulty: You can choose easy, intermediate, advanced AI player versus you in Single Play. 1v1 Online Play: Don't just play against the machine. Challenge friends or match with players worldwide in high-stakes logic duels in Online Play! HOW TO PLAY The goal is to find the secret sequence in the fewest moves. HIT: A digit or color is correct and in the right spot. BLOW: A digit or color is correct but in the wrong spot. Use pure deduction to solve the sequence before your opponent does!
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