Two free games, plus 50% off Crimson Dragon.
Microsoft exclusive makes jump to Valve digital platform.
And Xbox 360 in January.
UPDATE: Microsoft confirms, "Xbox One games are games".
Out in December.
Now owns Lumia brand.
And five new missions.
Plus, Ryse digital comic grants "early leg up" in Xbox One game's multiplayer.
Out in July for PC, Surface and Windows Phone 8. Gameplay video released.