Steam Achievements for The Passing reveal L4D2 content

Some Achievements listed for The Passing, Left 4 Dead 2's first expansion, hint around at content that will be made available in the DLC when it is launched this week.

Should it launch that is - Valve has yet to post an exact date.

Per the official L4D blog, included are ones Valve said it'd be "crazy not to include", like: Surviving the campaign, playing some Scavenge, using the new weapons, playing a Midnight Riders song, and smashing up some Survivors with a Charger.

There's also a few listed that Valve calls "spoilery", which involves something to do with footlockers, and something to do with mutations.

All sounds interesting, which it should hurry up and get here because we want it.

A DLC pack for L4D1 is expected to be released after The Passing, to explain just why the two teams met up in the first place.