clan missions (automatic each mission runs for a certain time and requires x amount of gang members)
clan quests, (active participation of x amount of gang members or fails)
clan armory including the giving and lending of items (so loaned items remain the property of the gang so need to be returned before the gang member can leave)
clan positions and rights so leader, co-leader, assigned ranks which can be customized (ie lithium-rocks title can give other gang members money but not lend items)
clan hall of fame. (listed by battles won or some kind of karma points rating depending on what activity the gang has ie you gain 2 pts per member, 5pts per battle won, pts per mission)