Get free coins in UFC Knockout 2016
If you enjoy mixed martial arts, you'll want to check out UFC Knockout 2016. The latest of Topps' line of digital trading card apps -- which also includes apps for baseball, football (regular and American), Star Wars, and The Walking Dead -- it features all the stars of the UFC on a variety of virtual, collectible cards.
The app also has a fantasy sports element, as you can compete using the cards you have amassed, scoring points when those fighters do well in real UFC bouts. To take part in any of what the app has to offer, though, you're going to need coins, which serve as the in-app currency.