Sudoku Our - Multiplayer online PK

"A multi player online Sudoku game"
【1】 We are professional! Each problem is the only solution.
【2】 We have social contact! All kinds of leaderboards, daily challenges, like comments, let you no longer play Sudoku yourself.
【3】 We're clean! Without any screen insertion, banner type advertising. (the app contains incentive ads for selective viewing)
【4】 We can do cloud backup! Google,Facebook, visitors one click login, no binding, always keep every topic you play.
【5】 Shadow PK mode trial! Sudoku can also be ranked up.
【6】 Daily challenge online! Let's see who is today's champion.
【7】 Plate height fit! There are two different operation modes of horizontal screen and vertical screen.
【8】 Rich list and PK statistics.
【9】 Customize the theme background.