• Prathiksha K
• Reema Saloni Calingarayar
• Sneha Rao
• Vishaka P Naik
• Rakesh Sharma.

Crack the Code to Unlock the Door” is an interactive Android-based puzzle game crafted to test players through a series of aptitude and logic-based challenges. With features like a start menu, configuration options, guidance section, and exit functionality, the game provides an engaging experience enhanced by background audio. Players commence at Level 1, where they must solve a brain-teasing puzzle to unlock the first door. Correct answers result in celebratory effects and progression to more complex levels. The primary objective of the game is to offer entertainment fused with cognitive development, utilizing stimulating puzzles, attractive visuals, and rewarding animations. With diverse types of challenges, the game ensures a broad appeal, helping players enhance their problem-solving skills. The intuitive UI, customizable settings, and consistent design principles guarantee a smooth experience for all users. This project exemplifies the gamified approach to learning by promoting critical thinking and decision-making within an enjoyable and rewarding environment.

Puzzle Game, Android Application, Logical Reasoning, Aptitude, Cognitive Skills, Machine Learning, Kotlin, Educational Game, Game-Based Learning, User Interface Design, Mobile Game Development, Level Unlocking, Performance Assessment.

"Crack the Code to Unlock the Door ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.12, Issue 7, page no.275-279, July-2025, Available :http://www.jetir.org/papers/JETIRGX06050.pdf

"Crack the Code to Unlock the Door ", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.12, Issue 7, page no. pp275-279, July-2025, Available at : http://www.jetir.org/papers/JETIRGX06050.pdf