From the Game Chef website:
"We all write with an audience in mind, whether we’re consciously aware of it or not. For this year’s Game Chef, we invite you to challenge your definition of the audience. What if you intentionally tried to write for an audience you’d never considered before, an audience from a different culture or subculture than your usual gaming group? What if you wrote for an audience that has very different ideas about storytelling? What if your game rules required a literal audience? Or what if you designed for an audience that doesn’t exist yet?"
The ingredients for Game Chef 2015 are:
A participant microbadge is available