Train your brain with CalcuDoku, a logic puzzle that combines Sudoku-style thinking with arithmetic challenges. Every puzzle requires careful deduction β no guessing, just pure logic. With 4,204 offline levels, youβll always have a new challenge waiting. How It Works Fill the grid with numbers so that: β’ Numbers do not repeat in any row or column β’ Each bold-outlined cage matches its target number using the given operator Simple rules β deep strategy. Game Features β’ 4,204 offline levels β play anywhere, anytime β’ 6 difficulty levels β from 4Γ4 up to 9Γ9 grids β’ Optional game timer β’ Hints when you get stuck β’ Undo button β’ Automatic save of game state and progress β’ Day and night modes β’ Supports portrait and landscape orientations Whether you want a quick 4Γ4 warm-up or a challenging 9Γ9 brain workout, CalcuDoku adapts to your skill level. Sharpen your logic. Improve concentration. Enjoy thousands of satisfying puzzles. Download now and start solving.