If you need a quick brain break without the annoying sign-up screens,...

https://sierra-wiki.win/index.php/Does_CardGames.io_have_Hearts_and_Euchre_too%3F_The_Definitive_Review

If you need a quick brain break without the annoying sign-up screens, Solitaire.org is my go-to. It loads instantly in any browser and lets you dive straight into the cards