Spider Solitaire is an online destination for playing the classic single-player card game made popular by Microsoft Windows. Its free browser-based game can be played full-screen without registration or downloads, and includes detailed statistics, hints, and an undo option. Players can choose among three difficulty levels: one suit for beginners, two suits for a greater challenge, or four suits for experienced players.

The game uses two decks, with cards arranged across ten tableau columns and the remaining cards held in a stock. Players build descending sequences and aim to complete same-suit runs from King to Ace, which are then moved to the foundation. The site explains the rules, including how to move cards, deal from the stock, and use empty columns strategically. It also offers practical tips for organizing columns and uncovering face-down cards. Keyboard shortcuts are available for undoing a move and requesting a hint. In addition to the game and its instructions, the site provides frequently asked questions, contact information, and a privacy page.