Sure! Here's an example of a simple 3D FPS game implemented as a single HTML file using JavaScript and enclosed in `` tags. Please note that this example is meant to be a starting point and may not include advanced features or full gameplay experience.
<br><br>
<br>
<style>
#gameCanvas {
width: 100%;
height: 100%;
}
</style>
<canvas id="gameCanvas"></canvas>
This example sets up a simple canvas element and initializes the game loop. It includes placeholder code for player movement and input handling, as well as a basic drawing function to display the player as a red circle. You can enhance this game by adding more game elements, actions, and interactions based on your requirements.