Stadia offers free demos for multiple games for a limited time. These games are available for the basic Stadia which is free, so you can just fire up your chrome browser and play these games.
First up is a demo of Pac-Man Mega Tunnel Battle, which is available between October 20th and October 27th.
https://www.youtube.com/watch?v=exhe6lsfooM
Then comes Humankind Open Dev Beta, available between October 21st and October 28th.
https://www.youtube.com/watch?v=HQTwKCwYjh8
Today on the 22nd will followed Immortals Fenyx Rising, available until October 29th.
https://www.youtube.com/watch?v=6I6QQibftw8
source: https://9to5google.com/2020/10/21/stadia-demos-immortals-fenyx-rising-pac-man/
Last edited by Mnementh - on 22 October 2020