Online Sudoku is a free, browser-based game available on Poki, where players can enjoy a classic game of Sudoku to pass the time and challenge their thinking skills. This version of the popular number-placement puzzle offers a fun and engaging way to exercise one's mind, providing hours of entertainment for players of all ages and skill levels. With its simple interface and endless supply of puzzles, players can enjoy playing Online Sudoku whenever they're looking for a mental workout.