Christmas Sudoku Bingo

Sudoku Bingo is the new way to play Sudoku! Try this new challenge!

★★★BRAND NEW CHRISTMAS RULES★★★
You have limited time to solve the Sudoku, but instead of picking the numbers (like in a regular sudoku game) the game calls them for you to place in their matching color area.
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★More than 50 levels to unlock and even MORE to come!
★Test different challenges with boards of 4x4, 5x5 and 6x6.
★Reach 3 stars perfection in every level
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In Sudoku Bingo, you win a game when you reach at least a Star, and to win them you need to complete the Sudoku by not repiting any number vertical and horizontal.
You can go back with the UNDO button to fix errors!
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You gain access to 5x5 boards after you win 10 Stars in the 4x4 levels, and 6x6 boards after you get 25 Stars in any combination of levels.