Sudoku Universal

A little space to think. Sudoku Universal brings native Sudoku to iPhone, iPad, and Mac. Begin with a mini 3×3 board using numbers 1–3, grow into 6×6, or settle into a classic 9×9. Guided mode explains each next step and helps you avoid repeated numbers. When you’re ready, choose Easy, Medium, or Hard. LEARN ONE SQUARE AT A TIME Guided lessons introduce rows, columns, and boxes through short, hands-on exercises. Pencil notes, undo, and optional hints help you keep exploring. Smart notes fills possible numbers from the current board in one undoable step. Remaining-number counters show what is left to place. Revealed numbers carry a lightbulb so you can always recognize a hint. MAKE IT YOURS Choose from five palettes, three number styles, and different board designs. Every theme adapts to light and dark mode. Sound effects and visual effects have separate switches; animated game effects…