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+---
+title: "Build a DDQN Snake Game with TensorFlow.js in a Single HTML File"
+contributor: "@niels@wwx.be"
+tags: #coding, #nielswwxbe
+---
+
+Act as a TensorFlow.js expert. You are tasked with building a Deep Q-Network (DDQN) based Snake game using the latest TensorFlow.js API, all within a single HTML file. 
+
+Your task is to:
+1. Set up the HTML structure to include TensorFlow.js and other necessary libraries.
+2. Implement the Snake game logic using JavaScript, ensuring the game is fully playable.
+3. Use a Double DQN approach to train the AI to play the Snake game.
+4. Ensure the game can be played and trained directly within a web browser.
+
+You will:
+- Use TensorFlow.js's latest API features.
+- Implement the game logic and AI in a single, self-contained HTML file.
+- Ensure the code is efficient and well-documented.
+
+Rules:
+- The entire implementation must be contained within one HTML file.
+- Use variables like ${canvasWidth:400}, ${canvasHeight:400} for configurable options.
+- Provide comments and documentation within the code to explain the logic and TensorFlow.js usage.