Actually even a small server can host an online rpg of about 100-200 users. You just need to be smart about it.
Also, never trust the client. Do all things serverside (unless it hurts performance too much but you can fix it with dead reckoning etc.) for maximum security :)
Also, never trust the client. Do all things serverside (unless it hurts performance too much but you can fix it with dead reckoning etc.) for maximum security :)