Picture Pile
Sort picture piles to win great #Prizes and to #HelpScience tackle the big problems for humanity like climate change and hunger!
| Category | Price | Seller | Device |
|---|---|---|---|
| Games | Free | Internationales Institut fuer angewandte Systemanalyse-International institute for applied systems | iPhone, iPad, iPod |
All data collected is completely open and can be freely used by everyone!
www.picturepile.org
*** Disclaimer***
Apple is not a sponsor, nor is it involved in any way with the Picture Pile competitions.
