Open worlds in gaming offer immersive experiences with freedom of choice, impacting storytelling and player agency.The complexity of open world games lies in the evolving environment and intricate Non-Playable Characters (NPCs) interactions.AI technology's contextual awareness enhances storytelling by generating nuanced and human-like responses.AI Game Agent serves as a worldbuilder platform, creating living game worlds with continuity and multiple storylines.The AI sets the tone for each game session, immersing players in a dynamic world that responds to their actions.Characters and factions in AI-generated worlds operate with internal logic and evolve based on interactions and events.AIGA uses AI image generation to bring visual continuity to characters and settings, enhancing storytelling immersion.The platform integrates with platforms like X and Telegram for collaborative storytelling and interactive gameplay.Players can engage in online games through platforms like X, Telegram, and a web version, shaping the story collectively.AI Game Agent offers a novel approach to dynamic storytelling, empowering players to participate in shaping evolving game worlds.