How Game NPCs Make Decisions: State Machines, Behavior Trees And Utility AI
This story is from 2026-09-23. It is preserved in the archive; the latest stories are on the live feed.
If you write software for a living you have probably built a decision system: a rules engine, a router, a workflow that picks a branch. Game developers have been building those under hard real time constraints for forty years, and almost none of it involves machine learning, so the patterns are wor…
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- 2026-09-23 16:27 · DEV Community — AI
How Game NPCs Make Decisions: State Machines, Behavior Trees And Utility AI