Also, this games are trendy because it uses cryptocurrency as a currency in the game surely this idea could easily implemented some popular games like Fortnite, Dota 2 , LOL, etc. In this kind of game, cryptocurrency is still not used but possible as a payment method kind could easily be a great option to use since there are also a lot of gamers in the cryptocurrency community.
Gaming community is hundreds of times bigger than crypto community. Gaming companies don't have to appeal to crypto enthusiasts, because they are already paying for their products, and adding crypto support would barely improve it. Steam dropped Bitcoin support and they didn't see any loss of revenue as the result. The existing payments work well enough for everyone, so there's no chance gamers would be adopting crypto if it will be added to their games, they will stick to what they are familiar with.