As an AI language model, I can provide you with a sample HTML file that includes basic gameplay logic for a simplified version of Five Nights at Freddy's game. Keep in mind that the following code is just a starting point, and you may need to enhance and extend it further to match your requirements.
In this simplified version, the game mechanics involve tapping on the screen to score points while Freddy Fazbear moves around randomly. After 30 seconds, the game ends, and the final score is displayed in an alert box.
Please note that you need to replace the `emozi_himawari.png` file path with the actual path to your Freddy Fazbear image. Additionally, you can further enhance the game by adding more features, levels, or customizations as desired.
Remember to save the code in a file with the `.html` extension and open it in a web browser to play the game.