Ultimate Solitaire Collection

Ultimate Solitaire Collection is an indie strategy casual game from eSolutions. The game includes over 400 solitaire variants such as Klondike, FreeCell, Spider, and Forty Thieves, alongside original creations. Players can engage with daily challenges, which present five solvable variants each day.

The collection allows for customization of card sets and backgrounds. It also provides features like statistics tracking, a global leaderboard, unlimited undo functionality, and cloud saving for cross-device play. Rules for each game are accessible within the collection.