You can find many online games today that have the same characteristics as MMO inspired games. Some of the biggest are online poker.
 Something that MMO games and poker have in common is that you are connected with other players through portals, known as poker rooms. You can play poker in loads of different ways, from head-to-head to major tournaments online, like the WSOP (World Series of Poker). If you would like to know more about playing poker online, we can highly recommend taking a look at PokerListings.com.
 A good place to start would be either the strategy section or rules guide, so check it out.