If I have a problem in distinguishing colours from each other does it mean I will not be able to play the puzzles?
No. Each type of link has a unique pattern of symbols in addition to a unique colour.
What should I do if I think I have found a mistake?
We take every care to ensure all Zygolex puzzles are error-free. However, in the event that you think you may have found a mistake please email us at firstname.lastname@example.org
How can I contact you?
You may contact us by emailing email@example.com. We will endeavour to reply within two working days.