If you need a quick brain break without the headache of creating an account,...

https://wiki-square.win/index.php/The_Quest_for_Zen:_Finding_the_Cleanest_Solitaire_Interface_Online

If you need a quick brain break without the headache of creating an account, Solitaire Bliss is my go-to. It loads instantly on my phone during my commute and has a massive library if you get bored of classic play