There are plenty of people that are using their gaming rigs to mine some crypto so they can fund purchasing of some Gamig titles. Some people even went further - made their consoler - PS4 and Xbox One to mine.
Back in time Steam market was accepting Bitcoin, but at the end of 2017 this option was removed due to the volatility and the very high fees and times for BTC transactions.
As of today, there are several platforms that can serve the gamers to spend their crypto on tripple A titles:
This is place where you get gift cards for multiple video game suppliers - such as Steam, Amazon, Microsoft, Sony and many others. They take BTC, LTC, ETH, Doge and DASH.


You can directly buy games from Joltfun. There are multiple gaming platforms listed - Steam, Microsoft, Sony, Origin and few others. They are taking Bitcoin at the moment. You can either get digital key or a physical copy of the game. There are some discounts you can use, which is very cool.

Keys4Coins is like a mixture of Joltfun and Bitrefill. You can both buy games and gift cards. Multiple video game providers are supported: Steam, Battle.net, Sony, Microsoft, Origin and others. Keys4Coins accepts Bitcoin, Dogecoin, Litecoin, Bitcoin Cash, Monero, and Vertcoin.
So, guys, I hope someone finds this information useful.