Utopia is a 1981 strategy game developed and published by Mattel Electronics for the Intellivision, often called one of the first city-builders. (via Wikipedia)
The genre Utopia helped define
Strategy / city-builder. Real-time resource and territory management is widely cited as an ancestor of the RTS and city-builder genres.
The game mechanics of Utopia
Resource HarvestingResourcePlayer or AI units collect raw resources from the world that fuel construction, production, or advancement.
Tile Map WorldWorldWorld is built from a grid of discrete terrain tiles; position on the grid is the primary navigation primitive.
Faction AiSimulationMultiple AI-controlled factions autonomously pursue goals and interact with each other and the player simultaneously.
Simulation TickSimulationWorld state advances on a regular clock independent of player input; player decisions are responses to the advancing simulation rather than…
Each mechanic links to how to build it in Godot, with the retro games that share it.