Soliteur

A free-to-play solitaire collection featuring classic card games with a clean, modern interface. Play Klondike, Spider, FreeCell, and Golf.

Four Classic Games
Play Klondike, Spider, FreeCell and Golf, each with multiple variants. Choose your difficulty with different draw rules, suit counts, and pass limits. Something for every skill level.

Daily Challenges
Three fresh FreeCell puzzles every day at Easy, Medium, and Hard difficulty. Each puzzle has a par score, see how your solution compares to the optimal. Same puzzles for everyone worldwide.

Never Lose Progress
Auto-save keeps your game safe after every move. Resume exactly where you left off with all your settings intact. Unlimited undo lets you explore different strategies.

Make It Yours
Customize your experience with adjustable card sizes, card back designs, and table background colors. Toggle sound effects and volume to your preference.

Privacy
Your data stays with you. All settings, high scores, and game progress are stored locally in your browser, nothing is sent to the cloud. No accounts, no tracking, just you and a deck of cards.

Playing Cards
The classic card style uses vector playing card graphics by Chris Aguilar, licensed under LGPL 3.0.

Research
The difficulty ratings for FreeCell daily challenges are calculated using methods informed by the following research:

• Chen, Michael W.H. “The Hardness Analysis of FreeCell Games”. BSc Thesis, University of Amsterdam, 2015.
• Demaine, Erik D. and Hearn, Robert A. “Games, Puzzles, and Computation”.