1. Introduction of the game:
Pokemon Go is a mobile augmented reality game developed by Niantic and released in 2016. It combines the beloved world of Pokemon with real-world locations, allowing players to explore and capture virtual creatures called Pokemon.

2. All characters and levels of the game:
Pokemon Go features a vast array of Pokemon characters, including popular favorites like Pikachu, Charizard, and Bulbasaur. Each Pokemon has unique abilities, and as players progress through the game, they can level up and evolve their Pokemon to become more powerful.

3. What attracts users most to the game:
One of the main attractions of Pokemon Go is its innovative use of augmented reality technology, which overlays virtual elements onto the real world. This immersive experience engages players and encourages them to venture out into their surroundings, discover new places, and interact with fellow players.

4. Why it is popular:
Pokemon Go has gained immense popularity due to its ability to bring people together and foster a sense of community. The game promotes physical activity and encourages social interactions through features like group raids and gym battles. Moreover, the nostalgia factor of the beloved Pokemon franchise appeals to fans of all ages.

5. When the game was released and how many versions are currently available:
Pokemon Go was released in July 2016 for iOS and Android devices. Since its launch, the game has undergone several updates and enhancements, with new features and Pokemon being introduced regularly. Currently, there are multiple versions of the game available, offering players an ever-evolving gameplay experience.

6. The most difficult part of the game:
One of the most challenging aspects of Pokemon Go is the hunt for rare Pokemon. These elusive creatures require players to explore different locations, complete specific tasks, and even cooperate with other players to increase their chances of finding them. The unpredictability of rare Pokemon spawns adds an element of excitement and difficulty to the game.

7. Strengths and weaknesses of the game:
One of the significant strengths of Pokemon Go is its ability to get players active and exploring their surroundings. The game also fosters a sense of nostalgia and community among players. However, some weaknesses include occasional technical glitches, server issues, and a heavy reliance on a stable internet connection for seamless gameplay.

8. What other games have been developed by the same developer:
Niantic, the developer of Pokemon Go, has also created other popular augmented reality games such as Ingress and Harry Potter: Wizards Unite. These games utilize similar gameplay mechanics and immersive experiences, attracting a wide range of players who enjoy exploring virtual worlds blended with real-life environments.