Peter Griffin's Man Boob Mega Sweat Pack, a new DLC (downloadable content) for Family Guy: Back to the Multiverse, is available for your PC on Steam download.
The download offers new weapons, costumes and new bonus challenge levels.
It is already available on X360 and PS3.
Here on Steam (age gate) http://store.steampowered.com/agecheck/app/223691/