Guides

The game pages explain the rules and give a few tips. The guides go deeper into a single game: techniques in order, concrete examples to follow step by step, and the mistakes that lose games. They are written for people who already know the rules and want to play better.

How to solve a Sudoku

From naked and hidden singles up to X-wing and Y-wing, one technique at a time, each with an example on the grid. With a method for choosing which one to use when you are stuck, and what each difficulty of the Pocket Games Sudoku requires.

Secret Word: the first word and strategy

Which letters actually appear in the English answers, which openers leave the fewest possibilities, how to read the colours when a letter repeats, and how to get out of families of near-identical words. Every number is computed on the Secret Word dictionary.