Based on the users' reviews, here are three cons and pros of the app "Block Them 3D" in 15 words or less: **Cons:** 1. Some users find the game's physics and controls to be unresponsive and frustrating. 2. Others report experiencing frequent crashes and bugs that disrupt gameplay. 3. A few users mention that the game's graphics and visuals are not as impressive as expected. **Pros:** 1. Many users praise the game's addictive and challenging levels that keep them engaged. 2. Players appreciate the app's simple yet intuitive controls that are easy to learn. 3. Reviewers commend the game's 3D graphics and immersive gameplay experience.