Though it was sort of announced by Treyarch in a post on the Call of Duty forums
, Valve has now officially confirmed
that Call of Duty: Black Ops
will use Valve's Steamworks for auto-updating and achievements. It'll also use the Steam Cloud for storage of profile and configuration settings. The game is available for pre-order now on Steam
If you're wondering whether your computer will even allow you to play it, Treyarch also announced the minimum specs
. You've got 12GB free, right?