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, game developers, and spatial computing pioneers will come together in Los Angeles to prototype the next generation of AI-native 3D experiences.
If you’re building the future of:
AI-generated 3D worlds
Spatial interfaces
Interactive agents
XR workflows
Simulation systems
Generative environments
Human-AI interaction in 3D space
…this is your Hack!
What You’ll Build
Create immersive systems powered by:
World Models
Spatial AI
Gaussian Splats
3D GenAI pipelines
Multi-agent environments
WebXR and cross-platform deployment
AI-assisted creative workflows
Ship prototypes, experiment fast, collaborate with top builders, and demo your work live.
What to Expect:
Hands-on prototyping
Mentorship by top professionals
Expert-led workshops
Free credits and workflow kits
We’re providing:
World Model APIs and Credits
Open Source World Model kits - Unity/Unreal/WebXR
WebSpatial cross-platform deployment
AI-assisted workflows via MCP connectors - WebXR, Blender, and more
Gaussian splat interaction and collision systems
VFX, 3D GenAI, and reconstruction pipelines
Mentors and technical support
Awards
$10,000 in prizes
SIGGRAPH tickets
Showcase opportunity of your project at SIGGRAPH
Focus areas:
World Models · Spatial Intelligence · Gaussian Splats · 3D GenAI · Multi-Agent Spatial Interfaces · Interactive 3D Environments
Who is this Hack for?
Founders, developers, researchers, engineers, designers, VFX artists, and filmmakers building at the intersection of AI, 3D, and interactive systems.
Stay for SIGGRAPH
After the hackathon, join our SIGGRAPH workshop:
Powered By Gaussian Splats: From World Models to 3D Interactive Worlds
Hack Advisors & Judges:
Alberto Hojel, AI Engineer at Roblox
Alex Coulombe, CEO of Agile Lens
Asim Ahmed, Head of Product Marketing (Spatial Solutions) at Niantic Spatial, Inc.
David Gene Oh, Global Developer Advocacy at ByteDance
Fasai Phuathavornskul, Senior Software Engineer for Android XR at Google
Felix Hartmann, Founder and Managing Partner of Hartmann Capital
Ian Curtis, Product Designer at World Labs
Greg Madison, XR and Unity Illusionist
Michael Morran, Creator Relations Manager at VIVERSE
Neil Trevett, VP Developer Ecosystems at NVIDIA
Tipatat Chennavasin, Co-founder & General Partner at The Venture Reality Fund
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/