Monopoly can be the most infuriating three or four hours you've ever spent, and you might not look at your friends and family the same way after. So, it really shouldn't be a big surprise that some Monopoly sessions have erupted in violence. Take for instance 60-year-old Laura Chavez and 48-year-old Clyde “Butch” Smith, who were playing Monopoly with their 10-year-old grandson in their Santa Fe, New Mexico home on October 25, 2011. At some point, Chavez caught Smith cheating. They started to fight and sent their grandson to the bedroom. Smith apparently hit Chavez over the head with a wine bottle, and she attacked him with a knife. She stabbed and slashed him a number of times around the chest, neck and face. Luckily. Chavez survived the attack.

Another, more tragic case occurred on July 19, 1991 in Bensalem, Pennsylvania. Two best friends, 25-year-old Marc Cienkowski and 31-year-old Michael J. Klucznik, were playing Monopoly. As anyone who's ever played the game knows, everyone has their own variations on the rules. A fight broke out and punches were thrown. Cienkowski then pulled out his compound bow and some arrows to ensure Kluvznik would leave. Once Kluvznik was in his car, Cienkowski shot an arrow into his chest, killing him. Cienkowski was given 9-25 years in prison for third degree murder.

Finally, there is the incident that transpired on November 2, 1991 between 26-year-old Jerry Lee Robertson, 20-year-old Cassie Robertson and 56-year-old Gerald Thomas in his Salt Lake City apartment. They were playing Monopoly when it ended in an argument. When the game ended, Thomas went to sleep and the young couple beat him to death with a claw hammer. They then stole his money (real money, not Monopoly money) and left the state. They were arrested a short time later. Both were given sentences of 5 years to life.