http://www.prizerebel.com/index.php?r=224199
With PrizeRebel, you can earn games, games systems, and custom orders from amazon and/or ebay. Simply sign up with them, and complete the offers. Upon completing their offers you will earn points in order to obtain prizes.
Offers are 100% free, no credit information is asked of you.
Also, read the FAQ on their website, they offer help on how to complete offers.
Tips:
*If you are worried about spam, you can create a new email and use that when you are completing the offers.
*Read the requirements below each offer before you try to complete the offer. Please also make sure that your browser cookies are enabled