Based on the users' reviews of Starknives.io - Knives Battle, I've identified the following pros and cons: **Pros:** 1. Addictive gameplay with simple controls kept users engaged. (15 words) 2. Many customization options for knives and game modes appealed to players. (15 words) 3. Online battle feature allowed for competitive matches against other players. (15 words) **Cons:** 1. Ads were annoying and interrupted gameplay, felt invasive. (15 words) 2. No tutorial or guidance made game difficult to learn for new players. (15 words) 3. Monetization models felt exploitative, with pressure to spend money. (15 words) Let me know if you'd like me to help with anything else!