Video Tutorials

Learn how to play GridRank, including the rules and strategies for the different grid-based logic puzzles it supports with these video tutorials. Subtitles are available in multiple languages—use the video player controls to select your preferred language.

Playing GridRank

This video explains how to play GridRank. It covers the rules, the user interface, and the actions available while solving a puzzle.

Calcudoku

Calcudoku puzzles, also known as KenKen, are grid-based puzzles which require both logic and math to solve. This video explains the rules for Calcudoku and provides some basic strategies for solving them.

Killer Sudoku

Killer Sudoku puzzles are grid-based puzzles which require both logic and math to solve. Although they are similar to Calcudoku puzzles there are some distinct differences. This video explain the rules of Killer Sudoku and provides some basic strategies for solving them.

Sudoku

Sudoku is a classic grid-based puzzle where you use logic to fill in the grid values. This video explains the rules of Sudoku and provides some basic strategies for solving them.