u can take a crap in which time ur invunrable
also anyone stepping in it will be marked for the entire round and posibbly the next round (follow foot prints as they gradually decrease)
when u fart ur hp increases and playes that get the wave get a hp decrease
piss == acid gun
if u win a round u can pull out a camera and take a photo of ur mates or u kill
have mobile phones so a (ocassional) random call can be made between any two players (enemy or not) can give away ur position