Available now for 800 Microsoft Points, with a size of 254.28 MB, Honest Hearts is also set for release on PC and PS3 shortly.
"Honest Hearts takes you on an expedition to the unspoiled wilderness of Utah's Zion National Park. Things go horribly wrong when your caravan is ambushed by a tribal raiding band. As you try to find a way back to the Mojave you become embroiled in a war between tribes and a conflict between a New Canaanite missionary and the mysterious Burned Man. The decisions you make will determine the fate of Zion."
Check out the first official trailer.