You are allotted a time frame of no more than four days to embark upon the task of creating a game employing the triumvirate of HTML, CSS, and JavaScript. The game in question ought to exude an air of elegance and refinement, encapsulating a succinct and polished design, while drawing inspiration from the nostalgic games. It is imperative that your creation adheres to the tenets of open-source , affording others the opportunity to access the code. Rest assured, your submission shall be subjected to rigorous scrutiny and diligent oversight at some juncture. Wishing you the utmost success as you undertake this formidable endeavor!