As an experienced and dedicated Node.js developer, I possess the skills needed to complete your game project seamlessly. My proficiency in Node.js and JavaScript, combined with my 6+ years of industry experience, allows me to not only create a pop-up window within the game interface but also implement the necessary logic that associates and displays the winning or losing status with utmost precision.
On top of that, I have a strong understanding of front-end development and a knack for user interface design which further enables me to ensure smooth functionality and enhance user experience in your game. Although my background leans more towards web applications, I tailor my skills to fit any project's needs - including yours!
Finally, let's not forget about my familiarity with React.js. Even though it wasn't explicitly mentioned, it's highly likely that it could be beneficial to ensure the desired results for your game feature. This attribute speaks volumes on my adaptability and goes on to demonstrate why I would be a valuable addition to your team. Let's discuss this further and breathe life into your vision!