1. Introduction of the game:
Cut the Rope 2 is an exciting puzzle game that challenges players to help a cute little monster named Om Nom satisfy his insatiable appetite for candy. With its colorful and immersive world, players embark on a journey filled with tricky obstacles and brainteasers as they navigate through various levels to feed Om Nom.

2. All characters and levels of the game:
In Cut the Rope 2, players encounter a host of adorable characters. Om Nom is the main protagonist, a green monster with a sweet tooth. Along the way, players also come across characters like Roto, Lick, Blue, and Toss, each with their unique abilities to aid in solving the puzzles.

The game consists of multiple levels within different environments, including lush forests, bustling cities, underground tunnels, and even mechanical factories. Each level presents players with increasingly complex challenges, such as avoiding spikes, navigating through moving platforms, and utilizing different mechanisms to deliver the candy to Om Nom.

3. What attracts users most to the game:
One of the key attractions of Cut the Rope 2 is its intuitive gameplay. The game is easy to pick up, making it accessible for players of all ages and gaming backgrounds. The puzzles, while challenging, offer a satisfying sense of accomplishment when solved.

Furthermore, the charming and vibrant visual aesthetics, coupled with the lovable characters, create an engaging and immersive experience. The game strikes a balance between simplicity and complexity, ensuring players remain engaged and motivated to progress through the levels.

4. Why it is popular:
Cut the Rope 2 has gained immense popularity due to its addictive nature and well-crafted gameplay. The game provides a refreshing take on traditional puzzle-solving mechanics, blending physics-based mechanics with creative problem-solving. This unique combination has captured the attention of many players, leading to its widespread appeal.

5. When the game was released and how many versions are currently available:
Cut the Rope 2 was released on December 19, 2013, and continues to be available across various platforms, including iOS, Android, and Windows. Currently, there are multiple versions of the game available, including regular updates and expansions that introduce new levels and challenges for players to enjoy.

6. The most difficult part of the game:
The most challenging aspect of Cut the Rope 2 lies in solving the complex puzzles that become progressively difficult as players advance through the game. As levels increase in complexity, players must think strategically, utilizing different elements and characters to overcome obstacles and deliver candy to Om Nom.

7. Strengths and weaknesses of the game:
One of the prominent strengths of Cut the Rope 2 is its engaging gameplay, offering players a unique and enjoyable puzzle-solving experience. The charming visuals and endearing characters add to the game's appeal and create a memorable gaming experience.

However, a potential weakness of the game could be its level of difficulty. Some players may find certain levels overly challenging, which may lead to frustration or a sense of stagnation in progression.

8. What other games have been developed by the same developer:
The developer of Cut the Rope 2, ZeptoLab, has produced several other successful games. One notable title is King of Thieves, a multiplayer platformer that focuses on competitive gameplay and base building. Another popular game developed by ZeptoLab is Pudding Monsters, a puzzle game centered around cute gelatinous creatures. Both games showcase the developer's creativity and expertise in crafting engaging gaming experiences.