i am seeing tons of factions server getting attention maybe you can open a faction world were its all griefing and anything goes like tnt and have a shop on there were you can buy tnt and stuff i think that will increases traffic alot because tons of people love greifing and just blowing up stuff and hunger games servers get tons of attention maybe a hunger games world also i am a big fan of hunger games i could try to find a plugin for the hunger games if you want