Platform: iOS
Price: Free

Technically this one came out over the Holiday break, but it's worth mentioning anyway: for all you cheevo hunters, Wordament offers the first time you can play a Microsoft game with authentic accolades that will register with your gamer score. It's also a free, giant game of Boggle that pits your score against the results of everyone else on the internet that's playing in real time, making regular leaderboards feel obsolete.