Different idea for a word story.

I have seen a lot of these one word/three word stories. Has anyone ever done one of these but set forth a plot and outcome that has to be achieved with a set number of words, like say 3 words each post at 2000 posts for a 6000 word story that must finish and end with a conclusion at exactly 6000 words?

Okay this is just a suggestion. I guess it might be too complicated since it involves a literary strategy to make the story end within a time frame and complete a continuous plot.

Just an idea.