Classic Sudoku Puzzle Games is a free Android app developed by Biza Studio - Dress Up Games for Girls. The app is a classic brain puzzle game that challenges players to solve 9x9 grids by placing numbers from 1 to 9 in each box. With over 5000 challenging levels and 100 new missions every week, Sudoku Puzzle Game is perfect for both beginners and advanced players looking to improve their logical thinking and memory skills.

The game is available in four difficulty levels - Easy, Medium, Hard, and Expert. It also features a Pencil Mode, which allows players to set pencil mode as desired, and turn it on and off. The app's Highlight Duplicates feature helps players avoid repeating numbers in a row, column, and block. Smart Hints guide players to solve digit numbers when they get stuck, and Challenges and Rewards offer daily challenges and trophies. In addition, the app's Themes feature allows players to choose a theme that makes it easier to solve classic Sudoku puzzles.