Greate game for you!!!
Better and exciting than Sudoku.

Easy to learn hard to win mind game.

Game rule 1) Select your direction (row or column)
Game rule 2) Select first number
Game rule 3) Wait for Artificial Intelligence to play
Game rule 4) Play until a play can not move OR all numbers disappear

Golden rule 1) play ONE TIME to learn the Wonder of Numbers
Golden rule 2) don't be GREED