Sure, I can provide you with a simple 3D game code written in HTML, JavaScript, and CSS. Please note that due to the limitations of this chat interface, I won't be able to provide an actual playable game, but I can provide you with the code that you can run in your local environment or on an online code editor.
Here's an example of a 3D game implementation using JavaScript, HTML, and CSS:
This code sets up a basic structure for a 3D game. You can add your game logic, control mechanisms, and rendering code inside the respective functions. Keep in mind that this is just a simple starting point, and you may need to add additional libraries or frameworks depending on the complexity of your game.