Hearthstone Kobolds And Catacombs Expansion Adds Free New Single-Player Mode

A new expansion called Kobolds & Catacombs is on the way to Blizzard's collectible card game Hearthstone, and it includes a new single-player mode. During the BlizzCon opening ceremony today, Blizzard announced Dungeon Run, a mode that Blizzard says is "nothing like we've done in the past."Dungeon Run is a rogue-like single-player experience that's all about defeating bosses, collecting loot, and leveling your character. Players start with a 10-card deck and must defeat eight random bosses,