Entrants can submit a world to the Contest by:

1. Publish your worlds in Meta Horizon, making sure it's publicly accessible and ready for others to experience. Learn more here.
2. Register on Devpost: From November  3, 2025 when submission opens, go to the Devpost competition page. Click on “Join hackathon”. If you don't have a Devpost account or aren’t signed in, you'll need to create one for free or log in to access the submission page.
3. Submit Your World: Make sure to complete all required fields on the "Start project" page during the competition submission window and adhere to the specified requirements.

What To Build 

Imagine the future of mobile experiences in Horizon Worlds—what does it look like? Your challenge is to build an innovative world, game, or interactive experience that fully harnesses the unique capabilities of Meta Horizon on mobile devices.

Guidance for Creators:

• Leverage Mobile-First Features:
  Think beyond the basic and use mobile engagement tools, orientation, and multi-touch controls to create original, immersive, compelling experiences.
• Invent New Interactions:
  Design experiences that are only possible or best experienced on mobile. Consider how users can collaborate, create, or play in ways that feel natural and exciting on a smartphone.
• Push Creative Boundaries:
  Surprise us! Whether it’s gesture-based gameplay, or social features that connect people in new ways, show how mobile can unlock fresh possibilities in Horizon Worlds.

Dream big, experiment boldly, and set a new standard for what’s possible on mobile in Horizon Worlds. The next leap is yours to create!

See our refreshed list of best practices for building on mobile with the latest features released in recent weeks.

Judging Criteria and Process

All submissions will be evaluated based on the following criteria to achieve a high score:

Technical Innovation

• Demonstrates advanced technical expertise, with a clear focus on leveraging mobile device capabilities (touch controls, haptics, etc.).

Visuals and Sound

• Art, UI, and audio are designed to be visually appealing and immersive on mobile screens.
• Graphics and sound enhance the experience without compromising mobile performance or accessibility.

Mobile Experience Design

• The world or game is thoughtfully crafted for mobile users, considering ergonomics, intuitive controls, and mobile-specific interactions.
• The player’s journey from onboarding to gameplay is smooth, engaging, and optimized for mobile devices.

Social Connectivity

• Offers innovative ways for people to connect, collaborate, and share moments using mobile features e.g., social sharing
• Encourages meaningful social engagement that feels natural on mobile.
  
  

Judging Process

To determine winners in the competition, we have selected a panel of judges from within Meta who are experts on Meta Horizon. There will be a pre-screen, judging phase one and a final judging panel. Information about the judging criteria and phases can be found under the section "Judging Process" in the rules section here. Each entry will be evaluated holistically, with special emphasis on how well it pushes the boundaries of mobile innovation within Horizon Worlds.

Technical Requirements

See the full list of Technical Requirements here.

Submission Requirements 

Please note that once the competition deadline has passed, do not make any modifications to your world. Worlds that are modified after the submission deadline may be disqualified.

Submissions on Devpost must include the following information:

• Name of the world
• Meta Horizon Worlds username of world publisher
  • This person will be the main point of contact for the submission on Devpost. Their contact information will be shared with the payment vendor for prize-giving purposes.
• Team name
• Meta Horizon Worlds usernames and roles for each teammate (for example: John_creator – Scripting, Sarah_creator – Modelling )
• Recommended number of players required at a time for your world
  • 1-2 players
  • 3+ players 
• Accompanying documentation that is around 200-300 words about your world (for example: your inspiration, how you built it, and future plans for improvement)
• 1x 3 mins demo of the world:
  • Should not exceed 3 minutes
  • Include footage that shows the experience as viewed on a Mobile device 
  • Must be uploaded to and made publicly visible on YouTube, Vimeo, Facebook Video, or Youku, and a link to the video must be provided on the submission form on the Competition website.
  • Must not include third-party trademarks, or copyrighted music or other material unless the Entrant has permission to use such material.
    
    

Still have questions?

Check out the competition’s FAQ here.