Based on the user reviews of the app "90 levels Puzzle Game" on the App Store, here are three cons and three pros: Cons: * "Limited levels and gets repetitive quickly" (Review 2) * "To many ads, annoying and distracting" (Review 15) * "No tutorial, hard to understand how to play initially" (Review 8) Pros: * "Challenging and engaging, love the puzzle solving" (Review 10) * "Excellent graphics and sound effects, visually appealing" (Review 6) * "Easy to use and navigate, simple touchscreen controls" (Review 3) Note: The reviews are subject to change and this output is based on the current reviews at the time of my knowledge cutoff.