1. Introduction of the game:
Grand Theft Auto: San Andreas is an action-adventure video game that transports players to the fictional state of San Andreas, a sprawling open-world environment that mimics the cities and countryside of California. The game immerses players into the life of Carl "CJ" Johnson, a former gang member who returns home to Los Santos after his mother's murder. In this game, players navigate through a vast world filled with criminal elements, rival gangs, and corrupt authorities, as they strive to unravel the mysteries behind CJ's mother's death and reclaim his family's control over the streets.

2. All characters and levels of the game:
Grand Theft Auto: San Andreas features a diverse array of characters, each with unique personalities and storylines. Major characters include CJ himself, his brother Sean "Sweet" Johnson, his childhood friend Lance "Ryder" Wilson, and his sister Kendl Johnson. Additionally, players encounter a host of memorable supporting characters, criminals, law enforcement officers, and influential figures throughout the game. The levels are divided into three major cities, Los Santos, San Fierro, and Las Venturas, each offering its own distinct vibes and challenges.

3. What attracts users most to the game:
One of the biggest attractions of Grand Theft Auto: San Andreas is its immersive and expansive world, allowing players to freely roam and explore a vast map filled with side missions, hidden treasures, and an abundance of interactive elements. The game also offers an unparalleled level of realism and detail, featuring an engaging storyline, dynamic weather and day/night cycles, realistic physics, and a wide variety of vehicles and weapons. Furthermore, the game's ability to provide a sense of freedom and the ability to make choices that impact the outcome adds an extra layer of enjoyment for users.

4. Why it is popular:
Grand Theft Auto: San Andreas gained immense popularity due to its groundbreaking features and engrossing gameplay. It pushed the boundaries of open-world gaming by providing a seamless blend of action, exploration, and storytelling. The game's mature themes, gritty atmosphere, and freedom to engage in both lawful and criminal activities appealed to a broad demographic. Furthermore, the game's multiplayer mode, where players could connect with friends and engage in various activities together, contributed to its popularity.

5. When the game was released and how many versions are currently available:
Grand Theft Auto: San Andreas was initially released on October 26, 2004, for the PlayStation 2 console. Since then, it has been made available on various platforms, including Microsoft Windows, Xbox, and mobile devices such as iOS and Android. Currently, there are multiple versions of the game available, including enhanced editions for PlayStation 3, Xbox 360, and an HD remastered version for PlayStation 4.

6. The most difficult part of the game:
One of the most challenging aspects of Grand Theft Auto: San Andreas is the constant balancing act between progressing through the main storyline and exploring the vast open-world environment. Players must strategically manage CJ's relationships with various gang members, maintain his physical attributes through exercise and proper nutrition, and navigate the complex dynamics between rival factions. Additionally, the game's difficulty increases as players delve deeper into the criminal underworld, encountering more formidable enemies and engaging in high-stakes missions.

7. Strengths and weaknesses of the game:
Grand Theft Auto: San Andreas possesses several strengths, including its vast open-world design, immersive storyline, and the freedom it offers players to tackle missions and objectives in their own unique ways. The game's detailed graphics, realistic physics, and a wide range of activities, such as driving, flying, and engaging in combat, add to its appeal. However, some critics argue that the game's controversial themes and mature content may not be suitable for all audiences. Additionally, the controls and mechanics in certain versions of the game have been criticized for being somewhat clunky and dated.

8. What other games have been developed by the same developer:
Grand Theft Auto: San Andreas was developed by Rockstar North, a subsidiary of Rockstar Games. Rockstar North has been involved in the development of numerous highly acclaimed video game franchises, including the entire Grand Theft Auto series, Red Dead Redemption, Max Payne, Bully, and L.A. Noire. Their games often prioritize open-world exploration, immersive storytelling, and innovative gameplay mechanics, making them a prominent player in the gaming industry.