Based on the user reviews on the App Store, here are three cons and pros of the "Risky Train" app, each limited to 15 words: **Pros:** 1. Users praise the app's unique concept and exciting gameplay mechanics, calling it "addictive" and "fun". 2. Reviewers appreciate the app's minimalist graphics and user-friendly interface, saying it's "easy to learn" and "visually appealing". 3. Many users enjoy the app's social features, such as leaderboards and daily challenges, which provide a sense of competition and community. **Cons:** 1. Some users complain about frequent ads and in-app purchases, calling it "rude" and "annoying". 2. Reviewers mention that the app's difficulty level is uneven, with some levels being too easy and others being frustratingly hard. 3. A few users report bugs and glitches, such as crashing and freezes, which can ruin the gaming experience.