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Built at Meta Global AI Developer Hackathon · Oct 26, 2026 · Remote

Demo video · drive.google.com/…

NewWorld AI: Muse leaves the flat screen and works live in 3D, in your space New World is a Meta Quest 3 mixed-reality app with calm places to learn, focus and rest. Each place has an AI character you talk to out loud, and Muse Spark gives each one its voice and its actions: Orbit, the teacher (the Orbit library, a rotunda circling the Earth): a guide at a hologram deck with four real spacecraft (Voyager 1, Hubble, Falcon 9, Crew Dragon) and the planets. Ask “show me Hubble’s mirror” and Muse answers in words and also returns tool calls (show_craft, parts, focus_part, power). The hologram opens up and points at the part while she explains. Her knowledge comes from a fact sheet Unity generates from the same data as the deck’s labels, so what she says always matches what you see. Hori, the companion (a café in Seoul): a tiger cub for casual chat. Muse decides what she says and what her body does (chuff, slow blink, play with her ball, run around the courtyard). She can also tell you the weather and the news. Calypso, the guardian of your rest (Seabreeze, a palm-lagoon beach): the voice of the place. After a study session, say “Calypso, make it sunset”, “hatch the turtles”, “calm the waves” or “put out the fire”, and the world changes around you. Her water orb shows by colour what she’s doing: listening, thinking or acting. How it works: Meta’s Voice SDK turns speech into text on the headset. The words and a short description of the scene go to a small Node relay, which calls muse-spark-1.3 with the character’s persona and tool definitions. It sends back a spoken reply and a list of actions for the headset to carry out. The API key never leaves the relay. Nothing anyone says is logged, and each person’s conversation is kept separately in memory and forgotten after 30 minutes of quiet. Three places are open; six premium places appear as a sneak peek.

Team