Unique binary puzzle with Game Center! Master tricky tango patterns on 6x6 grids. Offline play and pure logic challenge!
DUONO - BINARY LOGIC MASTERY
Experience the ultimate tricky binary puzzle adventure! Duono combines beautiful sun and moon symbols with challenging tango-style logic patterns that will test your mind and keep you coming back for more.
WHAT MAKES DUONO SPECIAL:
• Unique Sun & Moon Theme - Beautiful symbols replace boring numbers
• Full Game Center Integration - Compete globally, unlock achievements
• 100% Offline Gaming - Perfect for anywhere, anytime play
• Ad-Free Experience - Pure puzzle focus, zero interruptions
• Perfect 6x6 Grid Size - Ideal challenge level for all skill levels
• 11 Language Support - English, Turkish, French, German, Italian, Portuguese, Spanish, Japanese, Thai, Indonesian, Malay
CORE GAME FEATURES:
• Tricky tango-style binary logic patterns
• Simple rules: 3 suns, 3 moons per row/column
• No more than 2 identical symbols touching
• Constraint symbols (= and ×) guide your solving
• Pure logic - no guessing required!
GAME CENTER INTEGRATION:
• Global Leaderboards - See your world ranking
• Achievement System - Unlock rewards for progress
• Friends Challenges - Connect and compete
• Cross-Device Sync - Your progress follows you
DIFFICULTY LEVELS:
• Easy Mode (15-18 starting hints)
• Medium Mode (12-15 starting hints)
• Hard Mode (5-7 starting hints)
• Clever Mode (3-5 starting hints)
• Random Mode (Surprise difficulty)
KEY FEATURES:
• Smart Hint System - Get unstuck without frustration
• Unlimited Undo - Perfect your strategy
• Pause & Resume Timer - Play at your own pace
• Game History Tracking - Review your progress
• Dark & Light Themes - Easy on your eyes
• Custom Settings - Tailor your experience
PERFORMANCE TRACKING:
• Move Counter - Track your efficiency
• Time Tracking - Beat your best times
• Score System - Performance-based scoring
• Progress Statistics - See your improvement
• Achievement Progress - Visual goal tracking
INTERFACE HIGHLIGHTS:
• Clean, Minimalist Design
• Intuitive Touch Controls
• Visual Error Highlighting
• Smooth Animations
• Accessibility Support
• Portrait & Landscape Support
PERFECT FOR:
• Logic puzzle enthusiasts seeking fresh challenges
• Binary puzzle fans wanting ultimate experience
• Brain training during commutes or travel
• Anyone who loves strategic thinking games
• Players seeking ad-free, quality gaming
WHY PLAYERS LOVE DUONO:
"Finally, a unique binary puzzle without distractions!"
"The sun and moon theme is brilliant and engaging"
"Perfect difficulty progression keeps me hooked"
"Love competing with friends through Game Center"
"Best offline puzzle game for my daily commute"
GAME MECHANICS:
• First tap places a sun symbol
• Second tap changes to moon symbol
• Third tap clears the cell
• Fixed cells provide starting clues
• Logical deduction solves every puzzle
• No luck or guessing required
Ready to master the art of binary logic? Download Duono today and discover why thousands of players are addicted to these beautifully crafted tango-style puzzles!
Perfect your strategy. Challenge your mind. Become a Duono master.
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!
Developer Response
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 💛
Duono is being updated and renewed for you! This update includes bug fixes and performance improvements. Thank you for playing!
Version 1.6
The developer, Fatma Nur Usluer, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
The developer indicated that this app supports the following accessibility features. Learn More
Supported Features
VoiceOver
Larger Text
Dark Interface
Differentiate Without Color Alone
Sufficient Contrast
Reduced Motion
Information
Seller
Fatma Nur Usluer
Size
23.7 MB
Category
Puzzle
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
iPad Requires iPadOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.