This one flew under the radar at the Xbox Game Showcase, but it looks pretty cool. It's from Rebellion who's mostly known for the Sniper Elite and Nazi Zombie Army series.
Atomfall on Steam
A nuclear disaster has left an area of Britain in tatters. Atomfall, a new survival-action game, will see you explore, scavenge, craft, barter and fight your way through beautifully recreated scenery in search of answers.
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