We are looking for talented freelancer artists to create pixel-art pictures for our picture-logic puzzles.>>

What is a Weekly package? Why do some puzzles show their solutions before starting to play? What are Conceptis Credits and how much do they actually cost? Find answers to these and many other frequently asked questions (FAQ).>>

Get all the help you need to use and enjoy this website. Find out why it's good to join our community, where you can play puzzles on this website, how you can get support when stuck with a puzzle, how to play online or print to play with pencil and...>>

Conceptis Ltd. is the leading supplier of Sudoku and many more logic puzzle families to printed, electronic and other gaming media all over the world. On average, ten million Conceptis puzzles are printed in newspapers, magazines and books each day,...>>