Based on the user reviews of the app "100 Doors Puzzle Challenge," I've extracted the following pros and cons: **Pros:** 1. Challenging and addictive puzzles that keep users engaged and entertained. 2. Unique and innovative door-opening mechanics require logical thinking and problem-solving skills. 3. The app's atmosphere and sound effects create a captivating experience. **Cons:** 1. Lack of clear instructions for some puzzles can lead to frustration and confusion. 2. Limited hints and no option to skip puzzles can be frustrating for some users. 3. The app can be buggy and crashes occasionally, losing user progress. Please note that these summaries are based on a snapshot of user reviews at the time of my analysis and may not reflect the current state of the app.