3 Free Extensions to Play Sudoku on Chrome
1. Online Sudoku Variation
Online Sudoku Variation is a free Sudoku extension for chrome that lets you play Sudoku on your chrome browser. This extension provides many Sudoku variations including Classic Sudoku, Killer Sudoku, Sudoku 16×16, Irregular Sudoku, Diagonal Sudoku, Chain Sudoku, Standard Sudoku, and many more. You can also invite other people on the game to play simultaneously. You can invite your friends via emails or Facebook. In this, up to 4 personal can play simultaneously. These extensions offer classical Sudoku and other variations of Sudoku as well.
2. ATP Sudoku
3. Sudoku Puzzle and Games
Sudoku Puzzle and Games is also a nice extension that comes with Sudoku puzzle. But it is not a dedicated Sudoku extension. It comes with many other crossword puzzles. Still, you can enjoy 14 Sudoku variations like Calcudoku, Chain Sudoku, Classic Sudoku Index, Futoshiki, Online Diagonal Sudoku, Sudoku Varients, and many more.