Worlds in Action Hack [02-LA]: SIGGRAPH EDITION
World Model & GenAI Hackathon
Two days to build the future of interactive AI worlds.
Right before #SIGGRAPH2026, founders, researchers, engineers, VFX artists, film makers, game developers, and spatial computing pioneers come together in Los Angeles to prototype the next generation of AI-native 3D experiences.
Tracks
Best Storytelling & Entertainment Project
Best Interactive World Experience powered by World Labs
Best 3D GenAI Character, Brand or Product Integration powered by TRIPO
Best 3D Reality Reconstruction Project powered by XGRIDS
Best App Running on Emulator powered by PICO
Best Agentic Spatial System powered by PICO
Best Branched Narrative or Edutainment Project powered by Reactor
One Shot Pro Challenge
If you’re building the future of:
World Models & Gaussian Splats
Spatial AI
3D GenAI pipelines
Multi-agent environments
WebXR deployment
AI powered film making and story telling
AI-assisted creative workflows
Human-AI interaction in 3D space
…this is your Hack!
Ship prototypes, experiment fast, collaborate with top builders, and demo your work live.
What You Get:
World Model APIs and Credits
Open Source World Model kits (Unity/Unreal/WebXR)
WebSpatial cross-platform deployment
MCP connectors for WebXR, Blender, and more
Gaussian splat interaction and collision systems
VFX, 3D GenAI, and reconstruction pipelines
Expert-led workshops, mentorship, and technical support
Awards
$10,000 prize pool
$2,000 in World Labs API credits
XGRIDS PortalCam (valued at $5,000)
SIGGRAPH 2026 tickets
Showcase opportunity at SIGGRAPH ’26
Stay for SIGGRAPH
Join our SIGGRAPH workshop: Powered By Gaussian Splats: From World Models to 3D Interactive Worlds
See all sessions
Hack Advisors & Judges:
Alex Coulombe, CEO of Agile Lens
David Gene Oh, Global Developer Advocacy at ByteDance
Oliver Huang, Solutions Consultant at XGRIDS
James C. Kane, Director, Emerging Technology
Ian Curtis, Design at World Labs
Sonya Haskins, Head of Programming at AWE
Lukasz Mirocha, Founder of Opus Lab 3D
Tipatat Chennavasin, Co-founder & General Partner at The Venture Reality Fund
Vangelis Lympouridis, Founder of Enosis
Robert Karimi, ASU Associate Professor exploring immersive performance, games, and AI
Timothy Hagberg, Graphics Engineer - Developer Technology Group at Sony Interactive Entertainment
Minh Do, Cofounder at Machine Cinema & Fantastic Day
Todd Terrazas, Co-Founder/Founder of FBRC.ai, AI on the Lot, and AI LA.
Avik Sethia, Founding Engineer at Reactor
Verena Puhm, Former Head of Dream Lab LA, Luma AI
Keith Zhang, Founder of Soulscape
Need more inspiration on what to build? We will share some ideas post-sign-up!
Questions? [email protected]
More information: https://sensaihack.com/worldsinaction-2-la/