Solitaire FactStack — Free Klondike Solitaire with a Twist

Solitaire FactStack is a free, ad-supported Klondike solitaire game with one difference: every round, Rex the Fact Raccoon busts a myth while you play. No timer pressure, no opponent, no accounts required — just classic solitaire, a few Rad Coins to spend on hints, and a new piece of media literacy or history trivia waiting behind the waste pile.

How to Play Klondike Solitaire

The goal is to move all 52 cards into the four foundation piles at the top of the board, sorted by suit from Ace to King.

• Tableau: The seven columns across the board. Cards alternate red and black as you build sequences downward (for example, a black 8 can hold a red 7).
• Foundations: The four piles in the top right. Build each one up in order, starting with the Ace of that suit.
• Stock and waste: Draw from the stock pile when you're stuck. Cards land in the waste pile, and the top card is always available to play.
• Only Kings can start a new pile in an empty tableau column.

Stuck on a move? Tap Hint to spend a few Rad Coins and let Rex point you toward your next play.

Rex's Facts

While you play, keep an eye out for Rex's "BUSTED" banners — short, sourced facts that debunk common myths about history, science, and how information spreads online. New facts unlock the more you play, so no two sessions look quite the same.