Only World of Warcraft.
There are games similar to Roblox, but none of them are free. You may want to try Runescape or World of Warcraft.
runescape
Yes.
no. But not all of runescape is violent. You can 'skill' which involves no violence at all.
there are plenty online action games, such as conquer, runescape, crossfire, all those are fun action packed games.
It seems that World of Warcraft has certain similarities.
no
Google flash games. You'll get quite alot of websites to play online games.
Mechquest is like runescape and adventure quest combined except it's WAY funner.
Yeah: Runescape Neopets is one too! Neopets.com
Chapatiz Runescape, epic duel, Ps3 online...
fate and warhammer onlinemay i suggest runescape the free online game