Based on the user reviews of Number Tap Merge Blocks, here are three cons and pros: **Pros:** 1. Engaging puzzle game with increasing difficulty levels keeps players entertained. 2. Simple yet addictive gameplay makes it easy to master and enjoy. 3. Daily rewards and obstacles add a fun layer of challenge and variety. **Cons:** 1. Often frustrating experience due to unpredictable block combinations and limited moves. 2. Lack of tutorial or proper guidance can lead to confusion and high failure rates. 3. Frequent ads interrupt gameplay and disrupt the flow of the experience. Please note that these conclusions are based on the most common themes and sentiments expressed in the user reviews. However, individual experiences may vary depending on personal preferences and expectations.