Based on the user reviews of the app "Zombie Chainsaw City Killer: Zombie Defense 2017", here are three cons and pros in English, with 15 words limited for each item: **Pros:** 1. Engaging gameplay with a unique zombie-killing mechanic, keeps me entertained. 2. Good graphics and detailed city environment, making the game visually pleasing. 3. Simple controls and easy to learn, making it accessible to new players. **Cons:** 1. Repetitive missions and lack of variety in levels can get boring quickly. 2. In-app purchases and ads are excessive, disrupting the gaming experience. 3. Poor sound quality and unimpressive sound effects, detract from the game's atmosphere.