Taken from the Payday store page:

"OVERKILL brings you Mercy Hospital - OVERKILL's fan fiction for Left 4 Dead!

The Mercy Hospital Heist is finally here! We have collaborated with Valve to bring our beloved PAYDAY fans a completely new heist, free of charge! Set in the Mercy Hospital - made famous by Left 4 Dead - everyone's favorite robbers are out for blood. We also have some extra candy hidden in there for those who just can't help ending up in the hospital.

If the regular difficulty levels won't do it for you, don't forget that you can play the Mercy Hospital Heist in the new OVERKILL +145 difficulty. We promise you that this one will leave you gasping for air...

But wait, the infection seems to be spreading: not only do our beloved players get a new heist for free, they also get new zombie masks AND a new zombie theme! Oh, the horror! New related challenges and Steam achievements will be released in an upcoming patch."

Has anyone passed that level? If so, how did ya faggen do it? Marfargar!

Are the facking rumers true?!?!?!?!

Rumor has it there is a new DLC this month. Rumor has it it will include 3 new maps and other sh!t.

I have been a lamebot lately but would love to get this group back on some cap busting sh!t!! Ill be sending you fellow ninjas invites here and there to game so that we can rob / steal some shiet!!!!

Now "Get down on the @#$% ground"!

Having nothing to do with Payday other than a police shootout; an interesting view nontheless.

http://gags.net/awesome/freeze-frame-police-shootout-scene-video_578239f33.html