1. Introduction of the game:
Epic Seven is a popular role-playing game (RPG) that takes players on an epic journey through a beautifully crafted fantasy world. With its immersive storyline, stunning graphics, and strategic gameplay, Epic Seven offers an engaging experience for both casual and hardcore gamers alike.

2. All characters and levels of the game:
Epic Seven features a diverse cast of unique characters, each with their own abilities and skills. Players can form teams by selecting from a vast roster of heroes, ranging from powerful warriors to cunning mages and agile assassins. As players progress through the game, they unlock different levels and areas, each with their own challenges and enemies to overcome.

3. What attracts users most to the game:
The stunning visual aesthetics and engaging storytelling of Epic Seven captivate players, immersing them in a rich and detailed world. The strategic and tactical gameplay, where players have to carefully plan their team composition and skill usage, adds depth and challenge to the experience. Furthermore, frequent content updates and events keep players engaged and excited to continue their adventure.

4. Why it is popular:
Epic Seven has gained a significant following and become popular due to its high-quality production values, captivating storyline, and a wide variety of heroes to choose from. The developers' commitment to addressing player feedback and continuously improving the game has also contributed to its popularity, creating a positive community experience.

5. When the game was released and how many versions are currently available:
Epic Seven was originally released globally on November 8, 2018. Since then, the game has received regular updates and additions, resulting in various versions and improvements to enhance the overall gameplay experience.

6. The most difficult part of the game:
One of the most challenging aspects of Epic Seven is the strategic team-building and planning required to overcome the game's toughest battles and dungeons. Players need to carefully consider hero synergies, elemental advantages, and skill rotations to overcome formidable enemies. Additionally, navigating the complex gear and progression systems can pose a significant challenge to players.

7. Strengths and weaknesses of the game:
Epic Seven boasts impressive strengths, such as its stunning visuals, immersive storyline, and strategic gameplay. The constant updates and events offer a consistent stream of content and challenges for players. However, some players may find the game's gacha system, which is used to obtain new characters and equipment, to be a potential weakness, as it relies on random chance for progression.

8. Other games developed by the same developer:
The developer of Epic Seven, Smilegate Megaport, has also developed other popular games, including the acclaimed online shooter, CrossFire. This demonstrates the developer's expertise in creating immersive and enjoyable gaming experiences across different genres.