Based on the users' reviews of the Mech Worm app, here are three cons and pros: **Cons:** 1. "Glitches and crashes happen frequently, frustrating experience with no resolution." 2. "Limited game modes and repetitive gameplay, gets boring quickly." 3. "Poor customer support, no response to queries and issues." **Pros:** 1. "Addictive gameplay, engaging storyline and characters, keeps me coming back." 2. "Good graphics, smooth animations, and great sound effects." 3. "Fun multiplayer mode, plays with friends and strangers seamlessly." Note: The cons and pros are based on a selection of user reviews, and may not be a comprehensive representation of all reviews.