Planet Sudoku is an online puzzle game that challenges players to fill in the blanks in a 9x9 grid with the numbers 1 to 9. The goal is to fill each row, column, and 3x3 block with the numbers 1 to 9, without repeating any numbers. The game provides hints and tips to help players solve the puzzles. It also offers various levels of difficulty, ranging from easy to extreme. Players can also compete with each other in multiplayer mode. The game features beautiful visuals and sound effects, and players can enjoy playing it in either a time-limited or open-ended mode. It also allows players to save their progress and share it with friends.
Discontinued The developer marked this project as "no longer actively maintained" on 2016-04-06. See https://github.com/romario333/opensudoku
Discontinued It seems that the project is no longer updated, but the latest version, 2.2.0, released in July 2012, is fully working and can still be downloaded from the official website.