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No its not about, -Have vip, have donations, etc-
Its all about is it a bugless server? oh I like it! then why I dont call my friends to join?!
This is how, a server will be populated in few days, it needs to be:
*Bugless.
*Running on fast connection, or Dedicated.
*Have special quests, styles, actoins, talkactions.
[Q: How does a real map server differs from one to another?]
[A: By having more talkactions, one thing: instead of buying all blesses from NPC, saying Hello: Buy first bless yes, etc.
Make a talkaction, !bless, which is more easier for players.
hope I helped, enjoy!