Based on the users' reviews, here are three cons and pros of the NES Classic Games Quiz app: **Pros:** 1. **Fun and challenging**: Users praise the app's ability to test their knowledge of NES games, making it an entertaining experience. 2. **Accurate questions**: Reviewers appreciate the app's precise questions, which accurately cover a wide range of NES games. 3. **Nostalgic value**: The app's use of classic NES games and nostalgic gameplay appeals to users with fond memories of playing NES consoles. **Cons:** 1. **Limited game selection**: Some users criticize the app's limited selection of NES games, with only 16 games available. 2. **Too easy or too hard**: Reviewers note that the app's questions can be either too easy or too difficult, making the experience uneven. 3. **In-app purchases frustrating**: Users express frustration with the app's in-app purchase system, which they find restrictive and unnecessary.