Based on the user reviews of Clash of Z - Zombie City Building and Battle, here are three pros and cons: **Pros:** 1. "Exciting gameplay, combining city building and zombie battle strategies." (15 words) 2. "Variety of characters and buildings to collect and upgrade, keeps gameplay fresh." (15 words) 3. "Good graphics and sound effects, immersive and entertaining experience." (15 words) **Cons:** 1. "Gacha system can be frustrating, spending real money for rare items." (15 words) 2. "Some users experience lag and poor performance, affecting gameplay experience." (15 words) 3. "Limited social features, difficulty playing with friends or cooperating with others." (15 words) Please note that these are general summaries based on user reviews and may not reflect your personal experience with the app.