Teaching a Computer to Play 4X: How the Annhexation AI Works

The article explains how Annhexation AI is built for a 4X strategy game using layered decision-making.

It separates strategic, operational, and tactical layers so the AI can plan long-term and act coherently each turn.

Persistent goals and a goal stack help create opponents that feel intentional rather than erratic.

The design also scales across multiple civilizations and difficulty levels to support believable gameplay.