Sure, I understand your request. Below is an example of a game called "Jibanyan's Quest to Celestial Flute" implemented as a single HTML file with JavaScript:
Jibanyan's Quest to Celestial Flute
Welcome to Jibanyan's adventure! Help Jibanyan find the Celestial Flute by moving him towards the goal. Use the arrow buttons below to control Jibanyan's movements.
In this game, you control the character Jibanyan (represented by an orange box) using the left and right arrow buttons. The goal is to move Jibanyan to the right side of the game container and reach the Celestial Flute (represented by a blue box). Once Jibanyan reaches the goal, a message will be shown congratulating the player.
Please note that this is a simplified example, and you can customize and enhance the game further according to your requirements.