Cloud Gaming is New era, as more and more multiple game concept are growing now a days. You could game from anywhere play with friend and opponent across the world. Cloud industry is growing so, as game industry and animation industry. Fortnite and PUBG game are most popular now a days. These game required lots of gaming component like graphics card, motherboard and processor for it.
Nvidia introduce cloud gaming platform Nvidia GeForce Now. It's a cloud platform provide most of gaming power to game on a better device. Most of required graphics card for game (better graphics card) and windows version. So, Nvidia provide cross platform gaming as it run on cloud. It will run game on Mac device with some basic requirement.
Basically Nvidia required a good internet connection to run on your PC or Mac with "Ultra graphic", yes you can run games in Ultra graphic. But note that required a good internet connection.
Nvidia GeForce Now is in beta stage you can request for the beta version GeForce Now Beta
