Sure! Here's a simple game implemented as a single HTML file using JavaScript, enclosed in script tags:
This game is a basic implementation of a block-style game similar to Minecraft. It includes a grid of blocks and a player represented by an icon. The player can move using the arrow keys. At the moment, it doesn't include furniture, appliances, or working electronics, but you can enhance it further based on your requirements. You can also replace the player icon with pictograms if you have the appropriate image files.