If you love robbing stores and shooting zombies or zombie-like creatures (in video games or real life), then the new Payday: The Heist DLC is for you. Free to PC gamers and available now, it puts the criminal crew square in Left 4 Dead's Mercy Hospital.
Along with the new map, you get zombie masks and a zombie theme (assuming you have Left 4 Dead or Left 4 Dead 2 installed); new challenges and achievements will come in a patch soon.
Besides the regular modes, Mercy Hospital can be played on the new OVERKILL +145 difficulty mode for a truly strenuous skill test.
Boot Steam now to grab the update and get to stealin'.