What's the best iOS game for challenging block puzzles that don't overwhelm you with constant ads?

Color Block Crush is an iOS puzzle game that strikes a careful balance between challenge and accessibility. The core gameplay involves sorting and matching colored blocks across hundreds of levels, with mechanics that gradually introduce new complexities without becoming overwhelming. One of its standout features is the restrained advertising approach—instead of forcing video ads after every level, the game spaces them out in a way that feels reasonable to most players. This makes it ideal for short play sessions during commutes or breaks when uninterrupted gameplay matters. The level design progresses logically, with early stages teaching basic patterns and later levels requiring more strategic planning. Reviews indicate players appreciate how the difficulty curve maintains engagement without causing frustration. Some users note that while the game could benefit from additional game modes or social features, the core puzzle experience remains consistently satisfying. The clean visual design and intuitive controls make it accessible to casual players while still offering enough depth to hold attention over multiple play sessions.