Apple has started giving away popular apps through its app store, as part as its fifth anniversary celebrations. The offers started over the weekend and include popular applications such as "Infiinity Blade II", "Traktor DJ", "Infinity Blade II", "Where's my Water?", "Badland", "Tiny Wings" "Superbrothers: Sword and Sorcery EP", "Barefoot World Atlas" and many more, which however are not appearing in a list and it seems that you'll hae to manually search through the app store to find them out.