I'll second DotA 2 and LoL. Most of the community in those games are extremely stupid and easily agitated. Stuff like picking wrong heroes, wrong items, pretending that you don't speak english and etc. can make the other players go into a frenzy. In DotA there is the addes bonus of trolling through voice chat as well as picking certain heroes and using their abilities to troll your allies (teleporting them inside impasable terrain or to the enemy base and etc,)

You can troll/grief in most MMORPGs that have open pvp. Just repeatedly gank people who are questing and you're sure to stir up some reaction.

Also, games like counterstrike - voice chat trolling, killing your own team, all that stuff.

Personally I've had the most fun trolling a MMORPG called Runes of Magic because it had easily abusable mechanics but right now the game is quite dead.

But I think you'll have the most success making people mad in DotA 2 and LoL.

One more thing I forgot to add - LoL has a game mode called 'Ranked'. It requires some grinding to get access to it, but once you can you can do some quality trolling. The people playing ranked get mad (like really MAD) over the stupidest, inconsequential things. Often you don't even need to try to make them angry.

So it's a game mainly for Final Fantasy fans. Makes sense I guess.

I'm geniuinely curious - why are people playing/enjoying this? On a glance it seems like a free-to-play level MMO with nothing interesting or exceptional about it. Am I missing something here?

Tera, because it lets you do this:

http://www.youtube.com/watch?v=iLsAiYBvrKY

Open PVP MMOs are supreme.

Well, you've got a wrong feeling.

I hope that after they are done with it they will make it free to play. I'd love to play WoW again on a proper server but don't wanna pay for it.

Hahaha, if you think the first X-COM was unfair try Terror from the Deep.

Still the best MMORPG as far as mechanics and contents go.

I'd rather have a lifetime supply of paint to watch dry.

If you've played Heroes of Might and Magic 3 and 5 already, why not give 6 a try? People have been saying that it's a bad game and apparently causes cancer so I started playing it with the expectations that it will suck but I ended up enjoying it quite a lot. It's definitely not as good as HoMM 3 and 5, which are tied for best game in the series im my opinion, but still quite good.