From the website: LINX™ is a word game for people who love playing with words. There are over 3,500 four letter words in the English language, and we have invented a NEW WORD GAME called LINX™ using just four letter words. LINX™ is quick to learn, easy to play but fiendish to master. A game can take five minutes, or one can play for a whole evening. You can play LINX™ by yourself as well as with one or more friends. It is suitable for players aged over 12yrs and over. You can read more about this game at www.ThinkingGames.com