Lines of 7
A relaxing number puzzle where you clear rows and columns by making them total exactly 7.

Place numbered tiles on the grid and clear rows and columns that add up to exactly 7. A warm puzzle experience you can play one-handed and offline, with special game modes.
- Easy one-handed play
- Offline play
- Time Rush & Zen 7 modes
- Smooth effects & haptic feedback
Related guides
All articlesMobile App Development Cost in 2026: What Drives the Price?
How much does mobile app development cost in 2026? A realistic guide to scope, platforms, design, backend, hidden fees and maintenance for your app budget.
What Is ASO? App Store & Google Play Optimization Guide
What is ASO and how do you do it? A practical guide to App Store and Google Play optimization: titles, keywords, screenshots, ratings and testing.
Flutter vs React Native 2026: Which Should You Choose?
Flutter vs React Native in 2026: a practical comparison of performance, developer experience, ecosystem, team fit and project types to help you choose.