Based on the users' reviews, here are three cons and pros of the "Rat Must Die" app: **Cons:** 1. **Poor graphics and sound effects**: Users complain about the app's subpar visuals and audio, making the game less engaging. 2. **Too short and repetitive gameplay**: Many users feel that the game is too short and repetitive, leading to boredom and frustration. 3. **Too many ads and in-app purchases**: Users express frustration with the app's aggressive ad placement and pressure to make in-app purchases. **Pros:** 1. **Simple and addictive gameplay**: Users praise the app's simple yet addictive gameplay, making it easy to pick up and play. 2. **Good time-killer for short breaks**: Many users appreciate the app's ability to provide a quick and fun distraction during short breaks. 3. **Variety of levels and challenges**: Users enjoy the app's variety of levels and challenges, keeping the game fresh and exciting.