Which gaming company first introduced the 'Radiant AI' system that allowed NPCs to make their own decisions rather than following scripted behaviors?

In the rapidly evolving gaming industry, artificial intelligence has transformed how games are developed, marketed, and experienced. One particular innovation by a major gaming company revolutionized NPC behavior and became a watershed moment for AI in gaming. Test your knowledge about this significant development that changed how we interact with virtual worlds.

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Bethesda Game Studios
BioWare
Ubisoft
CD Projekt Red