Link to your Game Design Doc on Google Drive.
https://docs.google.com/document/d/1AdcJirydeiAbIFfyVPChcvio39th9KXRck1uDXifVxM/edit?usp=sharing

Have you checked that your GDD is publicly accessible ?
Yes

Is your game set to public on itch.io so we can see it?
Yes

Summarise your game!
GearGrind is a game about expanding and upgrading your ship to fight and annihilate monsters. The action takes place on a massive arena and the player has to learn how to manage resources and space on the ship to create the deadliest and most efficient weapon. The player has to protect the core of the ship at all costs to stay alive.

Controls:
Hold Mouse Button 2 - Control camera
Mouse Button 1 - Select ship move direction
Key 1 - Place tiles
Mouse Button 1 - Place structure
Mouse Button 1 - Remove structure

Please explain how your game fits the theme:
The ship is a moving weapon