The majority of non-public servers allow donations claiming they require DarkScape Gold money to assist the server survive. In the case of heavily populated servers, the term 'donation' is purely for legality. The true motive is profit. Most private servers offer in game rewards in return for donations.
They are basically selling in game items legitimate money, but gain deniability by calling it a donation. With most private server communities, donators are disliked for possessing donated items. This is a significant paradox in contrast to most communities by which donators are thought a positive role.
Some private servers offer a merchandise store. To avoid drawing further ire in the games companies, they have a tendency to lack any in game graphics however, you can get anything from the t-shirt to some pencil using the server logo as well as your character name.Private servers exists for many popular MMO games, both old and new. http://www.rsgoldfast.com/