Unlocking the secrets of winning at online solitaire requires skill, strategy, and patience. Whether you're playing Spider Solitaire, World of Solitaire, or Klondike Solitaire, there are common principles to follow. First, focus on creating foundations by organizing cards in descending order and alternating colors. In Spider Solitaire, arrange suits to reveal hidden cards effectively. In World of Solitaire, choose from a wide range of variations, each with its unique challenges. For Klondike Solitaire, optimize moves by uncovering aces early.