Link to Official Site (or state that there is none)
Official site: GunZ The Duel: International Edition
North American version: ijji - Where Gamers Unite!
Does it have guilds?
It has clans.
Does it need a market section?
How much interest do you estimate? (1-10 scale, 10 being the highest)
7. But I really cannot estimate because as large and well-known this game is, I have no clue how many people in this community play it.
A sub-forum is fine for now.