When you open up 15, you will see 15 tiles numbered 1-15. The board will jumble itself up (40 times!) and your job is to get it back in order. Here’s where the twist comes in – you don’t drag the pieces, you tilt your iPhone and let gravity do the work for you!
Maintaining PDRoms is hard work and very time consuming. News don’t write themselves and also need to be found first. Furthermore donations will help us to pay the server and the domain. Additionally it pays the junk food consumed, while posting news and/or updating the files :)