Based on the users' reviews of the app "3D Zombie Killer 17: The Walking Night of Terror", here are three cons and pros: **Cons:** 1. Graphics and sound effects are weak, making gameplay feel unimmersive (13 words) 2. Controls can be frustratingly unresponsive at times, ruining the battle experience (13 words) 3. Limited levels and missions can lead to repetition and boredom (14 words) **Pros:** 1. Simple yet addictive gameplay keeps players coming back for more (12 words) 2. Variety of zombie types and weapons adds strategy to the game (12 words) 3. Offline playability allows for seamless gaming anywhere, anytime (12 words) Please note that these conclusions are based on a summary of the reviews and may not reflect the opinions of every user.