Based on the user reviews of the Survival Marbles 3D app, here are three cons and pros, each limited to 15 words: **Cons:** 1. Some users experienced constant crashes and freezes, interrupting gameplay. 2. Limited customization options for marbles and stages leave room for improvement. 3. The app requires a stable internet connection, leading to connectivity issues. **Pros:** 1. Engaging and entertaining gameplay mechanics, offering a unique marble-shooting experience. 2. Variety of challenging stages and increasingly difficult levels enhance replay value. 3. Beautiful, visually appealing 3D graphics and smooth animations enhance the overall experience. Note: These conclusions are based on a general analysis of the user reviews and may not represent the opinions of all users.