1. Introduction of the game:
Super Mario Run is a highly addictive and entertaining mobile game that brings the classic Super Mario Bros. franchise to the palm of your hand. Developed by Nintendo for iOS and Android devices, it offers an exciting platforming experience that combines elements of traditional Mario games with an innovative one-touch control system. Join Mario on his thrilling quest to rescue Princess Peach from the clutches of the infamous villain, Bowser!

2. All characters and levels of the game:
Super Mario Run features an array of iconic and beloved characters from the Mario universe. Play as the courageous Mario himself, as he embarks on his adventure. Additionally, you can unlock and play as other characters such as Luigi, Toad, Princess Peach, and Yoshi, each with their unique abilities and characteristics.

The game consists of multiple levels, each with its own distinct challenges and obstacles. From the familiar landscapes of the Mushroom Kingdom to treacherous ghost houses and menacing castles, Super Mario Run offers a diverse range of levels to conquer. Whether you are leaping over gaps, dodging enemies, or collecting coins, every level presents a new and exciting platforming experience.

3. What attracts users most to the game:
One of the most enticing aspects of Super Mario Run is its accessibility. The one-touch control system allows players of all skill levels to enjoy the game. Whether you are a seasoned gamer or new to the Mario franchise, the intuitive controls make it easy to jump right into the action. This accessibility, coupled with the nostalgic charm of the Mario universe, attracts users from different age groups and gaming backgrounds.

Furthermore, the game incorporates a competitive element with its Toad Rally mode. Here, players can challenge friends and other players online in a race to collect the most coins, perform stylish jumps, and defeat enemies. This multiplayer aspect adds a layer of excitement and replayability, as users strive to top the leaderboards and establish their dominance in the Mushroom Kingdom.

4. Why it is popular:
Super Mario Run has garnered immense popularity due to its ability to captivate both longtime Mario fans and new players alike. The game successfully blends iconic Mario gameplay with modern mobile gaming conventions, resulting in a satisfying and immersive experience. The nostalgic elements, such as the familiar characters and vibrant level design, also contribute to its popularity by appealing to players' fond memories of past Mario games.

Additionally, Super Mario Run received a significant boost in popularity due to its association with Nintendo, a renowned and respected video game developer. With an established reputation for delivering high-quality games featuring beloved characters, Nintendo's involvement further solidified the game's pre-release hype and subsequent success.

5. When the game was released and how many versions are currently available:
Super Mario Run was initially released for iOS devices on December 15, 2016. It later became available for Android devices on March 22, 2017. As of now, there is one version of the game, which is regularly updated with new features, levels, and challenges to keep players engaged.

6. The most difficult part of the game:
While Super Mario Run offers a range of challenging levels, many players consider the later stages of the game to be the most difficult. These levels often introduce intricate platforming sequences, precise timing requirements, and numerous enemies, testing players' skills and reflexes to their limits. However, the game expertly balances the difficulty, ensuring that players gradually build their abilities and provide a gratifying sense of achievement upon overcoming these challenges.

7. Strengths and weaknesses of the game:
Super Mario Run boasts several strengths that contribute to its popularity. Firstly, its intuitive one-touch control system makes it accessible and enjoyable for players of all skill levels. The incorporation of multiplayer competition in the Toad Rally mode adds a competitive edge and enhances replayability. The nostalgic and visually appealing Mario universe, coupled with regular updates from the developers, keeps the game fresh and engaging.

However, a potential weakness of the game lies in its free-to-play model. While the game can be initially downloaded for free, a one-time purchase is required to access the full range of content and levels. This approach may deter some players who prefer entirely free gaming experiences. Additionally, the game is primarily an online-connected experience, which may limit those with unreliable or no internet access.

8. Other games developed by the same developer:
The renowned video game developer, Nintendo, has developed numerous other popular games and franchises. Some notable titles from Nintendo include The Legend of Zelda series, Animal Crossing, Pokemon, Splatoon, and the Mario Kart series. These games have all achieved significant success and have cemented Nintendo's reputation as a pioneer in the gaming industry.