http://www.cdkeys.com/xbox-live/games/halo-the-master-chief-collection-xbox-one
seems legit!
i actually bought that a couple days ago, cdkeys is pretty good
http://www.cdkeys.com/pc/games/the-witcher-3-wild-hunt-goty-pc-gog-cd-key
>>345229525
CDkeys are legit, I have bought a few games from them over the last few years.
http://www.cdkeys.com/pc/games/metal-gear-solid-v-5-the-phantom-pain-pc
https://club.ubi.com/#!/en-GB/ubi30
Free games
>>345229845
bought an evolve founder key from them this wednesday for 7 pounds
also the Diablo 3 expansion for half the b.net price a few years ago
they're legit
https://www.engadget.com/2016/07/11/g2a-game-key-seller-verification/
https://www.engadget.com/2016/06/22/game-studio-claims-it-lost-450000-to-key-resales/
>[This is just the start, G2A adds, as "further measures" are planned that will check addresses, credit cards and PayPal accounts.]
>[Unfortunately, not all gamers were pleased by this change and this is the reason why a good amount of social media websites and forums are now having discussions about the Steam Summer sale 2016 and how bad it was.]
http://neurogadget.net/2016/07/11/steam-summer-sale-2016-latest-update/35168
>>345229845
Can confirm. I've bought a few things from them over the years.