Restrict Content gives you the ability to configure several restrictions to any post or page until user completes all the requirements specified.
Limit the content to be displayed, replace the links or images by the text you want or restrict completely the access and redirect the users that not meets the requirements.
Restrict a portion of content anywhere, including in-line on any page or post, using a simple shortcode or on any sidebar through a configurable widget.
In addition, this add-on has the ability to restrict posts and portions of content by expending points and award those points to the post author, making Restrict Content your Sell Content add-on.
Also, this add-on adds new activity events and features to extend and expand the functionality of GamiPress.