Based on the users' reviews, here are the conclusion: **Cons:** * Some users find the game too challenging and frustrating, with 30-level increases in difficulty too sudden. * Users have reported bugs and crashes, causing them to lose progress and restart the game. * A few users have expressed desire for more levels, modes, and variety in the game. **Pros:** * Most users appreciate the game's simple yet addictive gameplay and increasing difficulty level. * Users praise the game's clean design, intuitive interface, and smooth gameplay experience. * Many users enjoy the sense of accomplishment and satisfaction from solving puzzles and achieving high scores.