you sign up by giving your address, once you do you're given orders to torch another random member's house, whilst remaining vigilant that someone else will be attempting to set fire to your property from now on
the last one left alive is the winner
( Lightguy hail satan, Sun 17 May 2009, 2:11, archived)

Awesome. Sounds fantastic.

(Poppet some assembly required., Sun 17 May 2009, 2:12, archived)