Harpan Patiens is an online destination for playing Harpan, also known as Klondike Solitaire, free of charge. The site offers a digital version of the classic single-player card game, with large cards and familiar drag-and-drop controls. Players can choose to draw one or three cards, select standard scoring with or without a timer, or try Las Vegas scoring. Game tools include undo, replay, sound settings, statistics, and keyboard shortcuts, while personal records track scores, wins, play time, and other results.

The site also provides instructions explaining the game’s objective, card movements, foundations, and scoring options, making it useful for both new and experienced players. Its interface and game information are available in numerous languages. Visitors can explore other games listed on the site, including Kings, Spider Solitaire, Mahjong, Snake, and Minesweeper. The website says the game was created by Simiade and provides contact details for questions or feedback. Overall, Harpan Patiens focuses on accessible, browser-based card-game entertainment and straightforward ways to customize and review each session.