Crostic Guru - Guess The Words represents a deliberate departure from automated puzzle solutions, positioning itself as a pure logic challenge within the crowded brain-training market. Developed by Severex for Android, the application demands manual letter placement throughout its crossword-style puzzles, eliminating common assistance features found in competing word games. The core functionality revolves around deciphering hidden proverbs, famous quotations, and secret words through traditional crossword mechanics without automated filling or correction systems. Each puzzle requires complete manual input, with mistakes carrying consequences that force users to retrace their logical steps. The absence of auto-fill mechanisms creates an environment where cognitive engagement remains consistently high throughout gameplay sessions. User interface design employs a clean, minimalist approach with intuitive letter-grid navigation and clear visual feedback for correct/incorrect placements. Real-world usage patterns indicate predominantly medium-length sessions (15-30 minutes) during commutes or breaks, with the manual input system requiring focused attention that discourages multitasking. The interface provides adequate tactile feedback and visual clarity, though the complete lack of automation may challenge users accustomed to more assisted puzzle experiences. User feedback trends consistently highlight cognitive benefits and educational value, with multiple reviews specifically noting vocabulary expansion and knowledge acquisition. Seyhan Mustafa's May 27, 2025 review emphasizes how the app 'helps with my vocab by sometimes learning new words and learning to use words in a different context,' while Madilyn Whittaker's June 6, 2025 comment praises the 'interesting facts and places' incorporated into puzzles. These observations align with James Salomon's July 4, 2025 assessment that the game 'builds memory, creativity, cognitive functions, associations skills.' The application demonstrates notable strengths in cognitive engagement and educational value but presents accessibility limitations for casual puzzle solvers. The uncompromising manual requirement creates a high barrier to entry that may frustrate users seeking more relaxed gameplay, while simultaneously delivering deeper satisfaction for dedicated puzzle enthusiasts. Ideal use cases include daily brain training routines, vocabulary development sessions, and focused puzzle-solving for users preferring traditional, unassisted logical challenges over modern automated alternatives.