A category is chosen and the list is copied and pasted into each post with a new thing added, one by each posting person, until 13 is reached.
The person to add 13 then chooses another category and supplies the first one, etc.
Please try to only choose categories that have, at least, 13 different answers. : p
If the numbers get messed up due to people posting at the same time, use the edit button and try to fix it as best as possible.
Films of Arnold Schwarzenegger
- Kindergarten Cop