Aliaksandr UvarauCalcudoku (Puzzle) Customer Service
Train your brain with CalcuDoku, a logic puzzle that combines Sudoku-style thinking with arithmetic challenges. Every puzzle requires careful deduction — no guessing, just pure logic.
With 4,204 offline levels, you’ll always have a new challenge waiting.
How It Works
Fill the grid with numbers so that:
• Numbers do not repeat in any row or column
• Each bold-outlined cage matches its target number using the given operator
Simple rules — deep strategy.
Game Features
• 4,204 offline levels — play anywhere, anytime
• 6 difficulty levels — from 4×4 up to 9×9 grids
• Optional game timer
• Hints when you get stuck
• Undo button
• Automatic save of game state and progress
• Day and night modes
• Supports portrait and landscape orientations
Whether you want a quick 4×4 warm-up or a challenging 9×9 brain workout, CalcuDoku adapts to your skill level.
Sharpen your logic. Improve concentration. Enjoy thousands of satisfying puzzles.
Download now and start solving.
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