1. Introduction of the game:
Welcome to Solitaire - Classic Card Game, the ultimate solitary card game experience! Step into the world of strategic thinking, skillful planning, and card manipulation as you embark on an addictive solitaire adventure. This timeless game has been loved by millions for its simple yet challenging gameplay.

2. All characters and levels of the game:
In Solitaire - Classic Card Game, there are no specific characters involved as the focus solely lies on the player's interactions with a standard deck of 52 playing cards. However, the game features various levels of difficulty, allowing players to choose between easy, medium, and hard modes. Each level presents increasing challenges and complexity.

3. What attracts users most to the game:
Solitaire - Classic Card Game attracts users with its captivating blend of strategy and relaxation. The game offers a perfect way to unwind, exercise the mind, and escape daily stress. Its simplicity makes it accessible to players of all ages, while offering a substantial challenge to those seeking to sharpen their skills.

4. Why it is popular:
Solitaire - Classic Card Game has garnered popularity due to its timeless appeal and widespread accessibility. The game's rules are easy to grasp, requiring only a basic understanding of card combinations and sequences. It can be played on various devices, making it a go-to choice for quick entertainment during commutes or leisure time.

5. When the game was released and how many versions are currently available:
Solitaire - Classic Card Game has been enjoyed by players for several decades. While the exact release date of the first version is unclear, it gained significant attention when it was first bundled with Microsoft Windows operating system in the early 1990s. Since then, numerous variations and adaptations of Solitaire have been released across different platforms, including desktop, mobile, and online versions.

6. The most difficult part of the game:
The most challenging aspect of Solitaire - Classic Card Game lies in its demand for strategic thinking and foresight. Players must carefully plan their moves, analyze the layout of cards, and aim for optimal card sequencing. As the game progresses to higher difficulty levels, the limited options available can pose intricate problems that require meticulous decision-making.

7. Strengths and weaknesses of the game:
One of the strengths of Solitaire - Classic Card Game is its simplicity and intuitive gameplay, allowing players to dive in without extensive instructions. The game also provides a sense of accomplishment when a challenging layout is successfully solved. However, its repetitive nature and reliance on luck for card distribution may be considered a weakness by some players seeking more varied experiences.

8. What other games have been developed by the same developer:
The developer of Solitaire - Classic Card Game has introduced an array of other captivating games. Some notable titles include Mahjong, Spider Solitaire, FreeCell, TriPeaks Solitaire, and Pyramid Solitaire. These games showcase the developer's commitment to providing enjoyable and engaging experiences for card game enthusiasts.