Possible prison add on ?
if enough people are on line in prison at the same time they could have the opportunity to riot and stage a mass escape. each individual would need to spend x amount of energy/nerve within a set period of time.
everyones stats would be combined and it would be determined if they were able to over power the guards and riot. if they were successful they can now try to escape.
just because you are all rioting does not necessarily mean all of you or any in fact will escape. but those that do can notch up awards for rioting and escapes as well as being free.
on the downside people would be less likely to bust others out
just a thought