We should start some. They are easy ways to increase activity and include new folks into the community as well as post whoring, for those into that or old fashioned fun.
[quote=Wikipedia]
Example forum games
Hangman
I spy (played against a posted image rather than a real-life scene)
Mafia, also known as "Werewolf"
Photoshop tennis
Question game
Three word story - a person begins a story with three words, the next person has to continue the story with another 3 words and so on.
Word association
Green Glass Door
Mornington Crescent
Survivor (played with fictional characters rather than with real people)
King of the Hill - Users battle and think of creative ways to get on top of an imaginary hill. This is an infinite game there is no winner (unless it is eventually locked).
This or That - User picks a choice from the previous poster, possibly with a comment, and then proposes a new two-choices question.
Count with pictures - Each post must contain a picture actually showing the current number in it or an object showing the number by its meaning. The next user must do the same, but with the next following number.
I ban you for… - The post must ban the person above them for any trivial reason.
Throw Something at the Next Person
Corrupt A Wish
Last Person to Post Wins
[/quote]