Yukon Solitaire: Card Game is a mobile application developed by Kazunari Hiyoshi for the iPhone platform. This app offers two game modes for players to enjoy.

In the normal mode, players can experience the classic Yukon Solitaire gameplay. The objective is to arrange all the cards in four foundation piles in ascending order, starting with the Ace and ending with the King. Players can move cards between columns, building them down in alternating colors.

The Solvable mode is a unique feature of this app. In this game mode, players are presented with a randomly generated card layout that always has a solution. This adds an extra level of challenge and excitement to the game, as players can be assured that they will be able to solve the puzzle.

Yukon Solitaire: Card Game is a free app in the Games category, providing an enjoyable and engaging solitaire experience for iPhone users.