Sure, here's a simple city building game implemented as a single HTML file with JavaScript. Please note that due to the constraints of plain text replies, I am unable to provide a playable sample game with pictograms. However, the code below will give you a basic framework for a city building game:
In this simple city building game, there is a canvas element where the city and UI elements are drawn. Buildings are represented by colored rectangles, and you can add more buildings by creating new instances of the `Building` object and pushing them into the `buildings` array.
The `drawGame` function is responsible for rendering all the elements on the canvas, including the buildings, population count, and money.
The `gameLoop` function is called repeatedly using `requestAnimationFrame`, which allows for smooth animation and updates to the game logic. Currently, the game logic is not implemented, but you can add your own code inside the `gameLoop` function to handle things like population growth, resource management, and user interaction.
Please note that this is just a basic starting point for a city building game and only includes a rudimentary visual representation. You will need to expand upon this framework to create a fully functional and interactive game.