improve registrations

Hello, please someone help me to find add-on to make registration with invite code like this: This one is not good (it works but i need to make different codes for everyone) : https://enxf.net/threads/andyb-registration-code.734/ Thank you thank you thank you thank you <3

Fully featured system to limit the number of content pages your guests can view before being forced to register. It also supports a nag system to warn users that they're on a limited number of views before having to register. Proven method of increasing forum registrations without negatively...