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World's Biggest Sudoku Screenshot 1
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About World's Biggest Sudoku

The biggest and best Sudoku game ever!

We've created a GIANT grid of over 350 hand-crafted Sudoku puzzles to challenge players of all ages! Can you complete the whole grid, beat the Quests, and collect all of the Trophies?

To fully master the game you must complete all these challenges:

▶ Play on Easy, Medium, Hard and Super-Hard grids
▶ Complete each of the 361 individual sections
▶ Collect all 45 of the prestigious trophies
▶ Complete all 57 quests
▶ Unlock all 10 achievements

World’s Biggest Sudoku comes complete with these helpful features:

▶ Use Pencil Marks to help with your deductions
▶ Useful Hint features to help if you get stuck
▶ Choose from several background themes to suit your style

Take the challenge now!


Please select the HELP option from the Options menu (the gear icon in the top right corner of the game screen) if you require assistance.

Alternatively you can contact us by email: [email protected]

World's Biggest Sudoku is free to play, but contains optional paid items to unlock puzzles more quickly.

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I enjoyed playing these games... I have finished the first 361 puzzles, can you please add a second page, or like the climber like in the crossword. Or is this game now done, to be deleted?
Carryn Thompson
Best sudoku puzzle ever!
Kimberly Wein
Very enjoyable.
Harry Robertson