In my opinion, if you like multiplayer online roleplaying games, maybe get a game called IMVU of 2nd life. Those are the 2 most popular games other than the Sims.
The Metabarons Roleplaying Game happened in 2001.
Pathfinder Roleplaying Game happened in 2009-08.
DC Universe Roleplaying Game happened in 1999.
The Lord of the Rings Roleplaying Game happened in 2002.
Amber Diceless Roleplaying Game happened in 1991.
Marvel Universe Roleplaying Game happened in 2003.
Star Trek Roleplaying Game - Decipher - happened in 2002.
Star Wars Roleplaying Game - Wizards of the Coast - happened on 2007-06-05.
The ever popular Dungeons an Dragons has remained popular ever since it's inception. Some other systems are Spycraft and the Star Wars Roleplaying Game.
Roleplaying in the game World of Warcraft
I have played WOW for a long time. I think it is a perfect roleplaying game which make us feel satisfy.
As of now, the most popular board game on the market is "Settlers of Catan."