Sudoku Brain
Game is a welcomed and addictive brain sudoku puzzle game on Amazon Store. You can download the Sudoku app for your Kindle Fire phone and tablet. You get 10000+ challenging sudoku puzzles everyday to train your brain, and we add 100 sudoku puzzles every week. Brain Sudoku for beginners and advanced players. Each Sudoku offline puzzle has only one true solution. Classic Sudoku no ads, the sudoku puzzle game for your brain, logical thinking, memory, and a good time killer.

Classic Sudoku is a logic-based number soduko free puzzle game and the goal is to place 1 to 9 digit numbers into each grid cell so that each number can only appear once in each row, each column and each mini-grid. With our Sudoku puzzle app, you can not only enjoy sudoku puzzle games anytime, anywhere, but also learn Sudoku techniques from it.
✓Sudoku puzzles come in 4 difficulty levels - easy, medium, hard and expert.
✓Pencil Mode - Turn on / turn off pencil mode as you like.
✓Highlight Duplicates - to avoid repeating numbers in a row, column and block.
✓Intelligent Hints - guide you through the numbers when you get stuck.
✓Long press to fill quickly
✓Auto remove notes from all columns, rows and blocks once the number is placed