Quick Math Break vs 3D Four in a Row

Unleash Your Brain Power! The Ultimate Flash Mental Math Workout. This app is your dedicated trainer for mastering lightning-fast calculation and razor-sharp memory. Instantly memorize series of numbers flashed on the screen and calculate their total with accuracy. With a sleek, minimalist design, you can seamlessly integrate this powerful brain exercise into your daily commute or any quick break. Start turning your downtime into prime brain-training time! Perfect for: Anyone aiming to dramatically increase their mental calculation speed and accuracy. Students or professionals looking to boost focus and short-term memory. Individuals interested in effective, fun brain-training and cognitive health. Key Features 1. Customize Your Challenge Level Select your difficulty from 1-digit, 2-digit, or 3-digit problems. Start with 1-digit to build confidence, then progressively scale up to master the complex 3-digit flash challenges. The power to level up is in your hands! 2. Designed for Peak Concentration Numbers flash at a rapid 0.5-second interval, demanding your absolute focus to track and total. Complete 8 problems per set, striving for up to 10 successful sets in a row. This structure keeps you engaged and motivated to push your limits. The clean interface eliminates distractions, creating the perfect environment for intense mental focus. 3. Instant Feedback & Score Tracking Know your results immediately with visual and sound feedback for every correct or incorrect answer. Answer correctly? Advance to the next set. Answer incorrectly? The game ends, and your total correct score is instantly tallied. Track your progress and stay motivated to beat your personal best every time you play. Stop scrolling and start calculating! Download this brain trainer today and dramatically boost your mental agility!

■ 3D Four in a Row Line up four balls in any straight line — across, up, or diagonally — on a 4×4×4 board. Balls stack from the bottom of each rod. One minute to learn, surprisingly deep to master: 76 winning lines to fight over. ■ A Serious AI Powered by a neural network trained with AlphaZero-style self-play. Difficulty comes from search depth, not artificial handicaps, so every level plays naturally. 8 levels, from Lv1 Beginner to the mysterious Lv8 Level gaps tuned with thousands of measured self-play games Win games to unlock the next level The top level is "Death Mode": all assists forced off ■ Comfortable to Play Rotate the board with one finger, pinch to zoom Two-tap moves with a preview ball prevent misplays Opponent threats in red, your winning moves in gold (optional) One free undo per game; further undos make the game unranked Color-coded board sides keep you oriented Per-level match records ■ Private by Design Fully offline. No data collection, no ads Japanese / English Can you reach Lv8?