Sudoku Champions is an app that has everything you want in a Sudoku game. You can play it on the go, with no need for an Internet connection.

You can choose from hundreds of puzzles that you can solve in a variety of ways. Some of them require a simple logic while others will challenge you with more complex puzzles. There are even multiple difficulty levels, so that you can play with friends or family.

There is a global leaderboard so that you can compete with players all around the world.

There is an in-app chat that lets you talk to other players about their puzzles.