The 5 minutes I tried Farmville was a non-stop rollercoaster of cute little boxes trying to guilt me into clicking buttons. More "come back and click the button in 30 minutes or we'll kill this bunny and tell your friends how neglectful you are" and less "finish Mute City in under 30 seconds and get a special trophy."

Social games are completely unlike the tacked-on rewards systems in an ordinary game.