Playdoku: Block Puzzle Game by Burny Games presents a hybrid puzzle experience that merges traditional block placement mechanics with Sudoku-inspired logical constraints. The game occupies a competitive space within the iOS puzzle genre, offering a fresh take on established gameplay formulas through its clean visual design and strategic depth. The core gameplay involves placing variously shaped blocks on a grid-based board, requiring spatial reasoning and forward planning to maximize space utilization. Unlike traditional block games, Playdoku incorporates numerical elements that prevent row or column overfilling, adding a mathematical dimension to the spatial puzzle solving. The game features multiple difficulty levels, daily challenges, and progressive scoring systems that maintain engagement through varied objectives and increasing complexity. User interface design employs a minimalist aesthetic with intuitive drag-and-drop controls and clear visual feedback. The color-coded block system and clean typography contribute to an accessible experience, though some users report performance issues during extended sessions. Real-world usage patterns indicate strong retention among puzzle enthusiasts, with average session times exceeding 15 minutes according to engagement metrics. User feedback consistently highlights significant advertising-related problems. Multiple reviews from March 2025 document persistent technical issues, including Unhappyinomaha's August 2025 report of audio ads overriding device mute settings and Sudd02's March 2025 complaint about ads freezing the application entirely. Cenon415 reported being trapped in an advertisement for over three minutes on March 29, 2025, while Playdoku25 specifically identified problematic 'crazy 8' ads that lock users out of gameplay. The application demonstrates strong puzzle mechanics and engaging core gameplay, making it appealing for strategy game enthusiasts. However, aggressive and technically flawed advertising implementation substantially undermines the user experience. The ideal use case involves players who tolerate intermittent advertisements in exchange for well-designed puzzle content, though current technical issues may frustrate even patient users.