0h N0

About

0h N0 is a grid-based logic puzzle that challenges you to fill cells with red or blue tiles using numerical clues. Each number indicates how many blue tiles surround it, while red tiles block off sections of the grid. Progress through 300+ levels by deducing patterns and avoiding contradictions. The rules are simple but the difficulty ramps up sharply, testing your spatial reasoning and patience. This free-to-play game has a minimalist design that focuses on pure problem-solving. Players on the Google Play Store rate it 4.8/5, praising its addictive difficulty curve and lack of ads. The mobile and web versions work seamlessly, letting you switch between devices. No in-app purchases means the entire experience is unlocked from the start, making it a lean but satisfying challenge for logic fans.