Excalibur Plays: Regency Solitaire
Regency Solitaire is created by Grey Alien Games (@GreyAlien & @BCHezza). It's a story-driven visual novel where you play Solitaire card games to advance through the chapters. The game is set up in a very interesting way with many different card layouts, obstacles, and treasures to find.
Grey Alien Games: http://www.greyaliengames.com/
Regency Solitaire on Steam: http://store.steampowered.com/app/351090/