Astraware Sudoku includes all the features avid Sudoku players want. The game includes the highly acclaimed OTA Puzzle of the Day that allows players to download a puzzle for each difficulty level from the Sudoku of the Day webserver each day and on completion submit their time to see how they compare to other players worldwide! The BlackBerry and Palm versions of Astraware Sudoku also enable players to download packs of puzzles at multiple difficulty levels as and when required, so players never need worry about running out of puzzles.

Astraware Sudoku includes a wide range of assistance including a Sudoku solver, manual and automatic pencilmarks, a smart hints system to give players helpful guidance without just showing the solution, and hold-and-highlight for locating particular numbers or groups. Players can use these features to learn how to play Sudoku, improve their game and progress to higher difficulty levels!