Advanced optional features require a paid monthly subscription. This server requires a monthly subscription to play. Some MMORPGs require payment or a monthly subscription to play. Upon release, the game was only playable for accounts that had a membership subscription. A paid Netflix subscription was required for the service. Xbox Music provides 30 million music tracks available for purchase or access through subscription. Subscription television service Foxtel is also available. This model also allows people to watch content without paying subscription fees. Free with the purchase of a new Marvel Unlimited Plus digital comics subscription at Marvel.com. Revenue is generated through advertising or subscription payments. Updates are also available by a subscription service. Selected PS3 games are available for streaming via the subscription service PlayStation Now. Nintendo has also offered free original games for those with an Online subscription. It is free to play under an account subscription. A discounted student subscription is also available.