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Why FreeCell and Klondike Feel So Different
How visible cards, hidden information, and available space change the decisions you make in FreeCell and Klondike.
Cards, craft & the project
Cards4.net Blog
Stories about card games, fair shuffles, thoughtful product choices, and what we learn while building Cards4.net.
8 articles
More from the table
How Our Solitaire Shuffle Works
How Cards4.net turns seeds into solitaire deals, chooses random and solvable games, and lets you check a starting position.
Spades Strategy for Your First Few Games
Learn to estimate a Spades bid, play toward your team's contract, manage bags, and judge when a nil bid is too risky.
A Short History of Hearts
How Hearts developed through changing rules, what early card-game books recorded, and when the game arrived in Windows.
The Math Behind Daily Card Game Challenges
How Cards4.net chooses a shared daily deal, ranks results, and separates a useful comparison from a misleading statistic.
What We Learned Building Cards4.net
How we built Cards4.net with Phoenix and React, including game sessions, saved progress, card controls, and the costs of keeping state on the server.
Why We Offer Solvable Deals
What a solvable solitaire deal guarantees, how we select it, and why knowing a solution exists still leaves you with a puzzle.
Why We'll Never Show You an Ad
Why Cards4.net keeps advertising out of its games, what that changes for players, and what data the site still uses.