If you have absolutely nothing else to pursue in the game, there's always fun to be had in helping out other players get through the main assignments and optional quests. (twinfinite.net)
So there are lot of stuff happening and I think moms are really willing to help out other moms in the bathrooms when they see that. (pregnancymagazine.com)
Freedom of play — online versus / co-op mode available allowing players to help out other player's battles or fight against them. (impulsegamer.com)