Age of Empires II is a 1999 PC (DOS / Windows) game from Ensemble Studios, catalogued here for 5 defining game mechanics.
PC (DOS / Windows)1999Complexity 82/1002D IsometricPopular
Age of Empires II: The Age of Kings is a real-time strategy video game developed by Ensemble Studios and published by Microsoft. Released in 1999 for Microsoft Windows and Macintosh in 2001, it is the second game in the Age of Empires series. (via Wikipedia)
The game mechanics of Age of Empires II
Resource HarvestingResourcePlayer or AI units collect raw resources from the world that fuel construction, production, or advancement.
Upgrade PurchasingResourcePlayer spends accumulated resources or currency on permanent stat or ability improvements chosen from a menu.
Research TreeProgressionSpending accumulated resources or turns on a branching tree of options unlocks new units, buildings, or abilities.
Faction AiSimulationMultiple AI-controlled factions autonomously pursue goals and interact with each other and the player simultaneously.
Unit PathfindingSimulationIndividual AI units navigate around obstacles to reach dynamically assigned targets.
Each mechanic links to how to build it in Godot, with the retro games that share it.
Study the source
Open-source rewrite (WIP) (GPL-3.0). openage is a work-in-progress reimplementation: not yet a playable full game; needs original AoE II assets. https://github.com/SFTtech/openage