Complex sentence: Slant Six Games is currently working on a collaborative game venture with Microsoft called "Galactic Reign", as well their own first self-published title Strata Scavenger, a post apocalyptic flight simulator game scheduled for release early 2013.
Split into simpler sentences: Slant Six Games is currently working on a collaborative game venture with Microsoft called "Galactic Reign". Their own first self-published title Strata Scavenger, a post apocalyptic flight simulator game is scheduled for release early 2013.