The biggest and best Sudoku game ever! Play now for FREE!

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:

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

Facebook: /BigPuzzles - Twitter: @BigPuzzles


● One Clue Crossword
● World's Biggest Picture Cross
● World's Biggest Mahjong
● World's Biggest Crossword
● World's Biggest Wordsearch
● World's Biggest Jigsaw

What's New

Version 1.3

- Improved graphics
- A new in-game Help system
- More ways to earn Tokens and Coins

If you like our game, please take a moment to leave us a user review! Reviews help us bring you more great games. Thank you!

Ratings and Reviews

4.3 out of 5
46 Ratings
46 Ratings



Bättre om man kan spela utan "tokens" eller vad det heter

Bra men hänger sig.


Bra och roligt spel men den har låst sig ca6ggr när reklam ska visas så då har jag fått lada ner spelet igen och jag måste då börja om spelet från början.
Hade varit bra om man kunde koppla spelet till fb så att allt sparas så man inte behöver börja om igen.

New graphic sucks!!!

MFF 4-ever

This app has given me lots of great fun over many weeks (done more than 200 now) and it has been working very well :)
But the New graphic is really terrible!!! For example it is the same color for the sudoku/quests you have beaten as for some that you have left (the hard ones) and it is not easy to see if you are using pencil marker vs 'chosing a number' - just grey vs black :(


AppyNation Ltd
128.5 MB
Requires iOS 7.0 or later. Compatible with iPhone, iPad and iPod touch.
English, French, German, Italian, Portuguese, Russian, Spanish
Age Rating
Rated 4+
© Supersonic Software Ltd.
In-App Purchases
  1. Tokens Booster Pack 30,00 kr
  2. Tokens Super Pack 50,00 kr
  3. Tokens Starter Pack 10,00 kr


  • Game Center

    Challenge friends and check leaderboards and achievements.

  • Family Sharing

    Up to six family members will be able to use this app with Family Sharing enabled.

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