Most casual gamers probably first encountered "mob-control" gaming with last month's inexplicably huge Twitch Plays Pokemon experience. While the RPG element of the game was unique, Twitch Plays Pokemon is not the first or only online game that tasks a huge number of participants to simultaneously control the same character.
As it turns out, the Internet has a handful of games for the troll in you.
Whether allowing crowds of gamers to control one character or tasking them with completing a simple mission, these real-time multiplayer games are fun largely due to their most frustrating challenge: Large groups are terrible at working together.