I have added a dedicated settings page where players can alter the following game rules:
Difficulty: Changes the size of the player circle.
Priority: Determines which city of the same name is picked. One of:
Proximity: The closest city always (default).
Population: The most populous city always.
Hybrid: The most populous city inside the player circle, and the closest city outside of it.
Holes: This adds inaccessible holes to the map to give players a challenge. You can modify the number of holes and the size of the holes. Holes will be generated at random if enabled.
A new map has also been added by request: