1. Introduction of the game:
Welcome to Clash of Kings, an immersive multiplayer strategy game set in a riveting medieval world. In this epic battle for dominance, players must build and expand their kingdoms, train powerful armies, form alliances, and engage in exhilarating battles to conquer and reign supreme.

2. All characters and levels of the game:
Clash of Kings offers a diverse array of characters and levels for players to explore. From brave knights and cunning strategists to mighty dragons and mythical creatures, each character brings their unique abilities and strengths to the battlefield. As players progress, they can unlock and upgrade various levels within their kingdom, including resource buildings, defensive structures, and military facilities.

3. What attracts users most to the game:
One of the key factors that attract users to Clash of Kings is its immersive world-building experience. Players have the freedom to create and customize their kingdoms, making strategic decisions that impact their success. The game's engaging PvP battles, where players can test their strategies against other real players worldwide, also contribute to its popularity.

4. Why it is popular:
Clash of Kings has gained immense popularity due to its captivating gameplay, stunning graphics, and interactive social features. The combination of strategic decision-making, intense battles, and the ability to forge alliances with friends and players globally provides an addictive gaming experience that keeps players coming back for more.

5. When the game was released and how many versions are currently available:
Clash of Kings was initially released in 2014 and has since garnered a huge following. The game's developer regularly updates and enhances the gaming experience, resulting in multiple versions being released to date. Players can enjoy the latest version of Clash of Kings, further refined and equipped with new features to keep the game fresh and exciting.

6. The most difficult part of the game:
The most challenging aspect of Clash of Kings lies in its competitive nature, where players must constantly adapt their strategies to outsmart opponents and defend their kingdoms. Coordinating large-scale battles, managing resources effectively, and maintaining strong alliances are key to overcoming the game's difficulty. Skilled negotiation and diplomacy also play a crucial role, making alliances and diplomatic agreements a strategic necessity.

7. Strengths and weaknesses of the game:
Clash of Kings shines in its visually stunning graphics, immersive gameplay, and extensive social features. The ability to form alliances and communicate with other players fosters a sense of community and teamwork. However, some players may find it challenging to progress without investing real money, as the game offers in-app purchases that can provide certain advantages. Additionally, occasional connectivity issues during intense battles can affect the overall gameplay experience.

8. Other games developed by the same developer:
The developer of Clash of Kings, Elex Tech, has also created several other popular games. These include Age of Warring Empire, a similarly themed strategy game set in a medieval world, and Love Nikki-Dress UP Queen, a highly successful fashion role-playing game that allows players to indulge in their fashion creativity. Elex Tech's diverse range of games cater to different gaming preferences while maintaining their commitment to engaging gameplay and quality.