It just wouldn't be a relationship ruining list without good ol' Mario Party. While Monopoly may have the paper and plastic throne, Mario Party secures the title of the video game most likely to cause emotional distress. Why? Because unlike any other multiplayer game out there, Mario Party is one of the few that will ask you if you are sure that you want to ruin the day of your opponent.
Should you choose to steal a star from the light of your life, you may be seeing more than enough stars during your next argument.