Please carefully review the seller’s comments. If most of them are positive, you have nothing to fear!
Consider purchasing G2A Shield.
Read the auction description carefully – sometimes games are only available for the Russian, European and sometimes global markets. We are of course interested in the European / global market (although the latter is usually more expensive).
I recommend paying by PayPal, which secures the purchase, and also does not risk the leak of our data (as in the case of card payments).