Said to be three in total, one of which will be single-player the other two being multiplayer will include a range of content. These can be pre-purchased by picking up the Season Pass which is priced at $19.99 and will save you money over getting them on their own.
“For the first time ever we’ll be offering single player DLC. The journey and cast of characters in The Last of Us lends itself to thorough narrative exploration and we’ve got more of the story to tell.” Eric Monacelli, Naughty Dog.
Additionally buyers of the season pass will get some extra bonuses to help them out in the single player again from the get go. This includes increased crafting speed, healing speed, reload speed and much more.
The Last Of Us is set for a release June 14th and the demo will go live on Friday, May 31st.