After analyzing the user reviews on the Apple App Store, here are the conclusions: **Pros:** 1. **Engaging and challenging**: Pen Game provides a fun and addictive experience, with levels that are both easy and hard to master. 2. **Simple yet addictive design**: The game's minimalistic design and intuitive controls make it easy to pick up and play. 3. **High replay value**: The game offers a high replay value with its random level generation and daily challenges. **Cons:** 1. **Too difficult at times**: Some users found the game's difficulty spikes to be frustrating, making it feel unfair or unbalanced. 2. **Limited options for customization**: Some users wished for more options to customize their game experience, such as changing the game's theme or difficulty level. 3. **Occasional bugs and crashes**: A few users reported encountering bugs and crashes, which can be frustrating and disrupt gameplay.