About the challenge

Welcome to XRAI Hack Cologne: a challenge for XR Creators to leverage their mixed reality skills using the Meta XR SDK, Passthrough Camera Access, Context-Aware AI, and Horizon Worlds to build innovative Meta Quest applications.

Get started

You will find all you need to know about the XRAI Hack on the Launchpad.

Schedule

Day 1: Team Formation, Official Kick-off, Workshops
Day 2: Hack Continues
Day 3: Submission Deadline, Demo Sessions & Judging, Award Ceremony & Gamescom Warm-up Party

Requirements

Challenge Categories

  • Mixed Reality Category  Create experiences that blend the physical and virtual worlds using Meta Quest’s MR features like Depth, Micro Gestures, Spatial Anchors, and Mesh. Focus on ideas that only work in MR, leverage intuitive spatial interactions, and design for user engagement to show the true value and potential of Mixed Reality.
  • Best Use of AI with PCA  Use Passthrough Camera Access (PCA) to build context-aware AI XR applications that understand and adapt to the user's surroundings in real time. Combine computer vision and AI to go beyond generative AI, enabling intuitive, intelligent and deeply immersive experiences that feel like the sixth sense.
  • Horizon Worlds Category  Design creative and engaging social environments in Horizon Worlds: craft experiences that encourage progression, interaction, and community building, optimized for Meta Quest and mobile play.

 

Project Requirements

  • Functionality: The Project must be capable of being successfully installed and running consistently on the platform for which it is intended and must function as depicted in the video and/or expressed in the text description.
  • New & Existing: Projects must be newly created by the Entrant and must not have been previously submitted to any other hackathon or published on the Meta Horizon Store/Horizon Worlds. Entrants may use publicly available toolkits or assets, as long as they are accessible to everyone.
  • Third-Party Integrations: If a Project integrates any third-party SDK, APIs, and/or data, the Entrant must be authorized to use them in accordance with any terms and conditions or licensing requirements of the tool. Sponsor and Administrator reserve the right to request proof of such authorization or licensure.
  • What to create:
    • Mixed Reality Category: The experience should be only possible in Mixed Reality, leveraging Meta XR SDKs on Quest. The experience should demonstrate how these technologies create compelling, differentiated experiences that go beyond standard MR.
    • Best Use of AI with PCA: The experience should meaningfully demonstrate the advantages of integrating Context-Aware AI with Passthrough Camera Access on Meta Quest, enabling intelligent applications that go beyond generic speech synthesis or generative AI.
    • Horizon Worlds Category: The experience should showcase a new, creative and engaging world built in Horizon Worlds, focused on player engagement encouraging progression, social interaction, and community building. It should be optimized for mobile play and supported across devices.

Submission Requirements

  • Each team member needs a Devpost account and has to join the XR Hack on Devpost.
  • One member from each team has to submit the project making sure to tag all other team members as collaborators.
  • Include a Project built with the required developer tools and meets the above Project Requirements. We don’t expect your team to share the Git link or make it open-source. It’s completely ok to make your project commercial or store-ready.
  • For Mixed Reality and Best Use of PCA and AI categories include an APK attachment with your project. For Meta Horizon Worlds, publish your new world and ensure it is publicly accessible.
  • Include a demonstration video of your Project (around one (1) minute, shows the experience as viewed on Quest, publicly visible, no third-party trademarks, no copyrighted music, etc.)
  • Include a text description that explains the features and functionality of your Project.
  • List paid software assets, third-party SDKs or APIs, and paid design tools in the project code and the project submission.
  • Create a folder inside the Google Drive. Name it after your team name and team number e.g. “[C11] HackFace” for Cologne Hack.
  • For Mixed Reality and Best Use of AI with PCA: Upload the apk file and demo video.
  • For Horizon Worlds Category: Upload a text file containing your world’s unique link and demo video.
  • Upload all other files in a subfolder, name it “Other.”
  • A team may only submit one project.

Hackathon Sponsors

Prizes

$9,000 in prizes
Mixed Reality Category by Meta - First Prize
$1,500 in cash
1 winner

Mixed Reality Category by Meta - Runner Up
$750 in cash
2 winners

Best Use of AI with PCA by Meta - First Prize
$1,500 in cash
1 winner

Best Use of AI with PCA by Meta - Runner Up
$750 in cash
2 winners

Horizon Worlds Category by Meta - First Prize
$1,500 in cash
1 winner

Horizon Worlds Category by Meta - Runner Up
$750 in cash
2 winners

Devpost Achievements

Submitting to this hackathon could earn you:

Judges

Susanne Ahmadseresht

Susanne Ahmadseresht
next.Reality

Daniel Sproll

Daniel Sproll
realities.io

Leif Oppermann

Leif Oppermann
Fraunhofer FIT

Leonie Bensch

Leonie Bensch
ESA/MIT

Andrew Eiche

Andrew Eiche
Owlchemy Labs

Shadi Nayyer

Shadi Nayyer
Meta

Rita Turkowski

Rita Turkowski
Meta

Jake Steinerman

Jake Steinerman
Meta

Dilmer Valecillos

Dilmer Valecillos
Meta

Ben Chen

Ben Chen
Meta

Deepak Nair

Deepak Nair
Meta

Patrick Wiedemann

Patrick Wiedemann
Zockstube

Laurent Gibert

Laurent Gibert
Unity

Selin Kampa

Selin Kampa
Siemens

Robin Hasenbach

Robin Hasenbach
Arvur GmH

Judging Criteria

  • Compelling Concept
    The experience should differ from existing Horizon Store apps or past hackathon projects and showcase the qualities of a successful standalone app with strong potential to attract, engage, and retain Quest users.
  • Quality / Implementation
    The experience delivers a polished, high-quality user experience on Meta Quest. It runs smoothly and is well presented, with clear descriptions, slides, images, and videos that meet submission requirements.
  • Category-Specific Criteria
    Mixed Reality apps must be only possible with Meta XR SDKs on Quest; AI with PCA should showcase Context-Aware AI beyond generative tools; Horizon Worlds projects must foster creativity, engagement, and community across devices.

Questions? Email the hackathon manager

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Hackathon sponsors

Lead Sponsor

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