Script Similar to KudosNetwork/ Freebiejeebies

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I'm looking for someone who can produce me a script similar to that of freebiejeebies/kudos network.

Need to be able to allow people to choose a product that they want, which will require a certain amount of user referrals for them to get it for free.

The user will then complete an offer (which is a referral offer, thus the webmaster gets comissions), and all referrals must be logged.

Basically, something similar to one of the following:

or a plugin for Wordpress with that features if it's possible
How much will cost me?

Skills required:
Engineering, Graphic Design, HTML, PHP, Website Design
About the employer:
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