Comparegames - Comparegames is one of the effective sources to compare the prices of world-famous games which are present on Steam, Origin, Bizzard, Uplay in no time.
GG.DEALS - Very good and clear site for best deals.
GoCDKeys - Gocdkeys is your video game prices comparison site. Compare prices for Digital download, PC, Xbox one, PlayStation 4 and many other platforms!
Cdkeybay.com - Compare cd key products by price and get the best deals on Cd keys
Dealzon - Shows the latest deals on PC games as well as Xbox, Nintendo, and PS4. Also shows free games.
AllKeyShop - Price comparison service for CD keys and game product codes.