Brain-twisting fun for all ages! The addictive puzzle game... Britannica-style! Switch between colors, symbols, letters, and two number sets. Generate new puzzles on the fly. Easily enter Pencil Notes, a popular note-taking method for solving the puzzle. Choose from 4x4 and 9x9 grids, multiple difficulty levels, and more.
Auto-generate unlimited new puzzles
5 game modes
Quick and intuitive number entry
Hints and auto-solver