The Halo Website has the not-unexpected announcement of Halo: Spartan Assault, with the unexpected twist that this is a Windows game. However, this is not a typical installment in the series, it's a top-down shooter that's coming to Windows 8 and Windows Phones this July at a bargain price. Here's word:

Available only for Windows 8 and Windows Phone 8, "Halo: Spartan Assault" is a new top-down action shooter that brings a "Halo" video game to touch-based devices for the first time in franchise history. Developed by 343 Industries in conjunction with Vanguard Games, "Halo: Spartan Assault" provides an accessible, pick-up-and-play experience for fans and newcomers alike.

Set between the events of "Halo 3" and "Halo 4," "Halo: Spartan Assault" is a new chapter of the award-winning "Halo" universe that explores the first missions of the Spartan Ops program and dives deeper into the backstory of Human-Covenant wars. Play through the eyes of either Commander Sarah Palmer or Spartan Davis stationed aboard the UNSC Infinity as they fight never-before-seen battles against Covenant forces.

With rich storytelling, intuitive controls, and best-in-class action, audio and graphics, "Halo: Spartan Assault" brings the epic scale and action of the "Halo" universe to mobile devices through unrivaled action and intensity.