FIFA 15 UT introduces more than 10,000 players from 500 teams, letting you build your dream team and see how they fair against your rivals.
It differs from the main FIFA games, insofar as you ‘unlock’ players for your team. You play games, earn points and then use points to buy ‘packs’ that give you access to more players for your team.
Though the game itself is free to download, there are in-app purchases. For example, $2.99 gets you 300 FIFA Points, while $99.99 gets you 10,000 FIFA Points. The Windows Phone version also comes replete with Xbox Live support.