So if you've ever played a game of Solitaire in your life, I'm fairly certain you've played Klondike Solitaire. Klondike is the solitaire card game almost everyone who plays solitaire learns first. It became super popular when Microsoft released a version of Klondike as Microsoft Solitaire with Windows 3.0 in the early 1990s. If you need an explaination of how to play, I'll put out a video tutorial soon.