G2A Goldmine is an innovative profit generator. It is fully integrated with G2A.COM, one of the leading games and software selling platforms. The money you are to earn is based on purchases made in the G2A shop using your ‘Reflinks’ or discount coupons.
Earn free gift cards and subscriptions to your favorite services by taking surveys, trying products or services, playing games, and even by watching videos.
MMOGA is a site similar to G2A. You'll earn more money per saled game but you have to meet special prerequisites. You also can't earn through recruiting new members.
Adf.ly is a free URL shortening service that pays you to share your links on the Internet! You get paid for every person that visits your shrinked URLs. Place your links on Facebook, Twitter, forums, personal websites and any social networking sites.