Sure! Here's a simple shooting PvP game implemented as a single HTML file in JavaScript. Please note that creating a 3D game is beyond the scope of a simple text-based response, so this example will be a basic 2D game.
This code creates a simple shooting PvP game with two player squares. Each player can shoot bullets by clicking or tapping on the canvas. The game checks for collisions between the bullets and the players, and displays an alert message when a player is hit. The game loop continuously updates and draws the game objects.
Please note that this is a basic implementation and can be expanded upon to add more features such as player movement, power-ups, and more visual elements.