Overview
Cifrino
Fill each island with the numbers from 1 to its size. Equal numbers must never touch, even diagonally. Play the daily puzzle and selected starter boards for free. Complete opens the full archive, Sunday puzzles, monthly finales and Extreme with one purchase. No ads or subscription. Hints name the technique and explain the way to the solution, and a technique school teaches five key moves on real boards, open to everyone. You also get a record for every level, a dark mode that follows your system and tablet layouts.
