Based on the user reviews, here are three cons and three pros, 15 words limited for each item: **Cons:** 1. Difficult puzzle progression, forcing players to restart frequently. 2. Ads can be intrusive and obstruct gameplay, frustrating users. 3. Limited customization options, such as theme and color scheme choices. **Pros:** 1. Engaging and challenging puzzles that appeal to logic and pattern enthusiasts. 2. Simple and intuitive interface makes it easy to navigate and play. 3. Free to download and play, with occasional in-app purchases available. Please note that these points are based on a summary of the user reviews, and may not reflect the opinions of all users.