just to be clear. If you login into Stadia app, you don't see the Pro games?
@NeonDemons that's true. This is part of the verification process to ensure that you are an adult and a "real" person. This is at the moment required. Please keep in mind that this process includes a 1$ / 1€ payment to check if your credit card is valid.
yes, this is mandatory. Regardless if the trail period is free, you have to enter a valid credit card that will be charged with 1 $ / 1 €.