Complex sentence: Those who obtain 10,000 overall points are given access to all features of the web site known as "premium services" and they need to obtain at least 3,000 points each month to keep these privileges.
Split into simpler sentences: Those who obtain 10,000 points are given access to all features of the web site known as "premium services". Additionally they need to obtain at least 3,000 points each month to keep these privileges.