From the back of the box:
The strategic word game which allows you to do what that world-renowned word game wouldn't...
25% more tiles, 64 red and 64 black, with storage bag
25% more board spaces
Two-sided tiles with upper and lower case letters allow for proper nouns, acronyms and nicknames
50 unique category cards allow for bonus points
4 tile holders
Durable 12" x 12" rotating playing board with recessed sqares so tiles don't slide
Unique scoring system which offers a greater variety of options and more creative ways to score
Ages 12 and up