About
Sharpen your logic with this elegant puzzle game where you must place one diamond in each row, column, and colored region without any diamonds touching. Enjoy thousands of levels, competitive duels, and daily challenges to test your deduction skills.
What's New in Diadoku
1.7.0
November 3, 2026
• The golden bonus board: from level 30, every 4th level offers an extra board with one heart. Your stars count double in the weekly league. • Save your streak: missed a day? A short video keeps your streak alive. • A new frame: Copper is yours after 5 solved levels. • A bigger daily puzzle: every day a board from 8×8 to 10×10, and never one of the easiest. • Clearer duel results: both players side by side. • Many small improvements.
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FAQ
What is Diadoku?
Diadoku is a logic puzzle game where players must place exactly one diamond in every row, column, and colored region on the board. Diamonds cannot touch, even diagonally, and three mistakes end a round.
How many levels are in Diadoku?
Diadoku offers over 2000 levels that increase in difficulty, with board sizes ranging from 8x8 to 10x10. There are also hard and very hard levels designed to challenge experienced players.
Can I play Diadoku offline?
Yes, you can play the single-player levels offline. However, features like duels, friend challenges, and leagues require an internet connection.
Does Diadoku have ads?
Yes, Diadoku contains advertisements. The app is free to download and play, supported by ads.
How does the duel mode work in Diadoku?
In duel mode, you race against another player on the same board. Winning duels earns you trophies, allowing you to climb the ranks from Quartz to Diamond. You can also challenge friends directly.
What are the daily challenges and streaks in Diadoku?
A new Daily Challenge is available every day, offering a fresh puzzle. Maintaining a daily streak rewards you with bonus hints on every seventh day, encouraging consistent play.
On which devices can I play Diadoku?
Diadoku is available on iPhone and iPad devices. Your progress is backed up in iCloud, ensuring it syncs across your devices.
What is the age rating for Diadoku?
Diadoku has an age rating of 4+, making it suitable for a wide range of players. The game features calm, premium visuals and satisfying feedback.
