6x6 & 7x7 & 8x8 SUDOKU from Easy to Difficult

6x6 & 7x7 & 8x8 SUDOKU from Easy to Difficult Do you want to try Sudoku (Number Place) for the first time, or 9x9 Sudoku(Number Place) seems a little difficult, or do you want to make your kid smart, develop their thinking ability, or do you just want to play an easy puzzle without thinking so much, or are you bored with 9x9 Sudoku? This is the app! This SUDOKU is a little eccentric modified version. Put the digits in each color, too, as well as vertical columns and horizontal rows. There are 100 levels in the puzzle, so start with the one you can do easily. Level 1 is very easy, but it gets harder as the level goes up. High level problems are quite difficult. Since Sudoku puzzles are generated automatically, you can play with infinite number of Sudoku puzzles at each level! The puzzle is auto-saved, so you can continue playing from the place you quitted. If you are confused, use the memo mode! Multiple numbers can be written on the same square. You can also highlight particular numbers to make it easier to think. Sudoku Rules Put all four 1,2,3,4,5,6(,7) numbers in 6(or 7) vertical columns, 6(or 7) horizontal rows, 6 squares surrounded by bold lines(or 7 different colored areas). Step into the world of numerical puzzles!