What payment system is suitable for a game project?

Question

Payment systems

Puzzled by the question. Requires a payment system that accepts payments using international cards, paypal, union pay, etc.
The main criteria are the acceptance of international cards and the acceptance of paypal
. Preferably not a Russian system, but one that can work with Russian companies.
The complexity of the issue lies in the fact that the project is not quite standard. A site for opening cases with virtual weapons for the Steam game, so not all banks agree to cooperate.
Now we use g2a.com, but it does not miss many payments, >$5000 per day, but a maximum of $150 comes out of them, so we are urgently looking for other options