If you’re stuck on a slow train and need a quick mental break, give Solitaired...

https://telegra.ph/The-Quest-for-the-Perfect-Browser-Hub-Where-to-Play-Spades-Online-and-Solitaire-Together-04-15

If you’re stuck on a slow train and need a quick mental break, give Solitaired a try. It is my favorite for fast, no-login play that gets you straight to the cards. The best part is the massive variety of games, so you never get bored