I once got bored and killed 100+ people in Albion in Fable 2, cause the blacksmith refused to get new stock in his weapon shop, it started off with me just killing the BS but then the guards cam and told me to pay up for killing him... so I killed them and then went on to kill every single person I could find for an extended period of time, I felt a little guilty at first but then I got used to the guilt and went about slaughtering all of them.

I also showed my brother the poison/money trick in AC II and he cracked up, he does that alot now, also in AC I would always kill those annoying crazy hobo's that hit me as I walked past them, bitches aint gunna be hitting me no moar!