Developed the foundational architecture for a Sea Battle game in the d23-java/seabattle repository, focusing on establishing core gameplay mechanics and extensible components. Leveraged Java and object-oriented programming principles to implement enums for colors and ship types, as well as management classes for gameplay flow, menus, and screen display. Enhanced the user experience by refining input handling, ship placement logic, and turn management, while introducing random ship setup for improved replayability. Prepared player and board models for future feature expansion, ensuring scalability. All changes were tracked with detailed commit history, reflecting a methodical approach to game development and code quality.