Near Orbit Vanguard Alliance, better known as N.O.V.A. for short, is an action-adventure game video game for the iPod and other Apple products made for Apple by Gameloft. It was released on December 17, 2009 for iOS, WebOS and is one of the games containing the Gameloft Live online gaming service. It was later released on the PlayStation Network for thePlayStation Portable and PlayStation 3 in December 21, 2010. The game’s hostiles (known as “xenos”) are similar to those in the Metroid series as well as the Halo series.