"I have only had one or two instances where they have taken awhile to deliver my key to me, but over all it is a great site, besides, I usually buy from individually sellers, and not the site itself, so the itself is not to be blamed for the conduct of those individuals that I bought from. They just so happened to be advertising their product on g2a, and I just so happened to have bought from them using g2a. The only complaint I have with the site itself is their purchase protection crap. To me, that just sounds like a way to ensure the site itself earns some money off of all purchases, even if you are buying from a Third-Party on the site. Quite annoying, especially when you think you are going to be buying a product for only around Four dollars, and last minute g2a throws in their protection charge, heh. They should either stop doing that, or reduce how much they charge."

"Amazing website and fast delivery :^)"

"Can't ask for anything more than that"

"What means: invalid keys get sold at their platform -> no support from Kinguin.
They just play the "wait game".

Update:
If you dare to criticize them, all communication gets stopped and your account gets locked down.
"

"This site became my absolute first alternative when Steam deactivated PayPal for my country AND started using region-varying prices, making some games just unavailable to buy (take note: I AM NOT talking about circumventing region-lock here!). I've placed like a dozen of orders so far and everything has been successful. The support staff replies quickly and actually invest time to solve your inquiries.

I know they are probably located in eastern Europe, and that's why some website checkers consider it as high risk, but I've not found a single inconvenient so far with them."

"I like this website too much.
This is the best i think :D"