The twin-stick shooter, Halo: Spartan Assault , will be available through Steam on April 4.

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From a top-down perspective, Spartan Assault offers context for the Spartan Ops program prominently featured in 2012's Halo 4. The game includes Steam achievements and full controller support, so if you're not great with a mouse and keyboard, there's no need to worry.In our review, we enjoyed the gameplay and classic Halo sights and sounds, but found the touch controls awkward. You can watch the whole thing below.

Brian is an associate editor at IGN. You can follow him @albinoalbert on Twitter