Other Games Realm of the Mad God

Have any of you guys ever played it?
It's pretty fun and addicting, but it's also a permadeath game so it can be frustrating.
You can play it here:
http://www.realmofthemadgod.com/

If you want it to lag less, though, then you can use Flash Player to play Realm.
http://www.realmeye.com/wiki/using-the-adobe-flash-projector-to-play-rotmg