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Duono: Binary Logic Puzzle

Duono: Binary Logic Puzzle

Tricky Binary Puzzle, Tango

1 ratings
5 reviews
🎮 Games
🎬 Entertainment
🧩 Puzzle
🏰 Strategy
$3.99 $2.99
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Price history

Details

  • Released
  • Updated
  • May 8, 2025
  • February 2, 2026

Features

Developer

Fatma Nur Usluer
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About

Engage in a unique binary logic puzzle adventure with a beautiful sun and moon theme. Solve tricky tango-style patterns using pure logic, with no guessing required. Enjoy offline play, global competition, and a distraction-free experience.

✓Unique Sun & Moon Theme
✓100% Offline Gaming
✓Ad-Free Experience
✓Game Center Integration
✓Multiple Difficulty Levels
✓Smart Hint System
✓Unlimited Undo
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What's New in Duono

1.6

February 2, 2026

Duono is being updated and renewed for you! This update includes bug fixes and performance improvements. Thank you for playing!

Events

Read more about Perfect Duono Score Challenge
Event EndedChallenge

Perfect Duono Score Challenge

Become This Week’s Duono Champion!

Jul 26, 2025 — Aug 1, 2025

Read More

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User reviews

Most RecentHighest RatedLowest Rated

Easy fix

Can you please make the = and x signs a little bigger? I wear glasses and still can’t tell which is which. Otherwise everything is perfect!
Yoli310Yoli310

Response from developer

Thank you very much for your feedback! 🌸 We have taken note of your comment regarding the confusion between the = and × symbols. We will resolve this issue in our next update; the symbols will now be more clearly visible. Thank you for your support and understanding 💛

Best binary puzzle game on the App Store

If you’re into binary logic puzzles, Duono is a must-play. The sun and moon concept is a fresh take, and I love the infinite grid system!
WhoCares23_WhoCares23_

Başarılı

Herhangi bir yerde beklerken biraz mantık kullanarak vakit geçirmenizi sağlayan güzel bir oyun. Tavsiye edilir 👍🏻
tsalekstsaleks

Simple Addictive Concept

One of the most engaging puzzle games I’ve played in a while. The rules are easy to understand. Highly recommended
Jen65555Jen65555

Best Logic Puzzle Game I’ve Played!

I’ve been hooked on Duono for days! If you enjoy brain training games or logic puzzles like Sudoku or Binary Grid, this one is a must-try. The design is clean, the puzzles are challenging but fair, and it’s perfect for improving focus and logical thinking. I especially love the minimalist visuals and offline play support. Highly recommend it to anyone who enjoys number puzzles or daily brain teasers!
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Am4gAm4g

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FAQ

What is Duono?

Duono is a paid logic puzzle game that features a unique sun and moon theme with tricky binary logic patterns. It offers a pure logic-solving experience with no guessing required and is designed for brain training and strategic thinking.

Does Duono have ads?

No, Duono offers an ad-free experience, allowing for pure puzzle focus without any interruptions. This is a key feature highlighted for players seeking an uninterrupted gaming session.

Can I play Duono offline?

Yes, Duono is 100% offline gaming, making it perfect for playing anywhere, anytime without needing an internet connection. This feature is ideal for commutes or travel.

What are the difficulty levels in Duono?

Duono offers multiple difficulty levels including Easy, Medium, Hard, Clever, and Random modes. These levels adjust the number of starting hints provided, catering to a wide range of player skills.

Does Duono support multiple languages?

Yes, Duono supports 11 languages, including English, Turkish, French, German, Italian, Portuguese, Spanish, Japanese, Thai, Indonesian, and Malay. This broad language support makes it accessible to a global audience.

How does Duono compare to other binary logic puzzles?

Duono stands out with its unique sun and moon theme, ad-free experience, and full Game Center integration for global competition. It also offers a perfect 6x6 grid size and a smart hint system for a balanced challenge.

What are the core game mechanics of Duono?

The core mechanics involve placing sun and moon symbols according to simple rules: 3 of each per row/column and no more than 2 identical symbols touching. Constraint symbols guide the solving process through logical deduction.

Is Duono suitable for all ages?

Duono has an age rating of 4+, indicating it is suitable for a wide audience. The game's logic-based nature and lack of inappropriate content make it a safe choice for younger players and adults alike.