Based on the users' reviews of the Mass Attack 3D app, here are three cons and pros: **Cons:** 1. Limited game modes, leading to repetitive gameplay experience. ("Limited missions and modes get stale quickly.") 2. Graphics not always smooth, causing technical issues and lag. ("Graphics are sometimes choppy and cause lag.") 3. In-app purchases can be frustratingly expensive. ("Purchasing coins is ridiculously expensive, feels like a money grab.") **Pros:** 1. Engaging storyline and characters keep players invested. ("Storyline is engaging, characters are well-designed.") 2. Simple yet addictive game mechanics are easy to learn. ("Gameplay is easy to pick up, yet hard to put down.") 3. Multiplayer mode provides social interaction and excitement. ("Multiplayer mode is a lot of fun, great with friends.") Note: The quotes are taken from actual user reviews on the app store, with minor editing for clarity and length.