Sudoku 2.0 is a free puzzle game developed by The Nible Hole for Android users. The game offers two play modes, the original Sudoku and colored Sudoku, where colors replace numbers. With more than 5000 different Sudoku games, players can choose from four difficulty levels ranging from easy to extreme.

One of the unique features of Sudoku 2.0 is the global ranking system that allows players to compete with other players around the world. The game also offers hints that players can enable or disable according to their preference. The game is available in both English and Spanish languages, making it accessible to a wider audience.

It is important to note that an internet connection is required to access the global ranking system. Overall, Sudoku 2.0 is a fun and challenging game that offers a new and innovative way to play Sudoku.