Entrants can submit their competition & mini-challenge entries to the Contest by:

1. Publish your remixable worlds in Meta Horizon, making sure it's publicly accessible and ready for others to experience. Learn more here.
2. Creators can submit their remixable worlds as either mobile-only or compatible with both mobile and VR devices. To reach the maximum audience, we recommend that your published remixable world is set to “Optimized for Web and Mobile” and is "Visible to the Public. Learn more here.
3. For the mini-challenge which is not tied to the remixable world prompt, you must also do the following if you created something:
   • Interactive Asset Mini-Challenge: Create dynamic and interactive assets that can be used and remixed by other creators. Publish your asset to the Public Assets library in the desktop editor.
   • Tutorial Mini-Challenge: Create a high-quality, task-based tutorial, how-to guide, or best practice content to foster a stronger community where creators support each other in their learning journey. Successfully follow all of the steps listed on the Creators competition worlds-documentation repo.
4. Register on Devpost: From August 14, 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.
5. Submit your published remixable world and mini-challenges on Devpost: 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 

For the Competition

Design and build a high-quality, inspiring and easy to extend remixable world to accelerate the creation process for other creators in the Horizon Worlds community. Remixable Worlds is a feature in Horizon that allows creators to make their world(s) clonable and editable by other creators.

Learn more

Technical Requirements

For the Mini-Challenge

What we're looking for

• Interactive Asset Mini-Challenge: Create dynamic and interactive assets that can be used and remixed by other creators.
  • Dynamic Assets: We want to see assets that come alive with scripts! Think interactive elements, animations, or effects that make your asset stand out.
  • High Reusability Factor: Your asset should be versatile enough to be used in various contexts, such as different worlds, scenes, or even genres. The more adaptable it is, the better!
  • Sharable and Remixable: Your asset should be designed to be easily shared and remixed by other creators. This means making it easy to understand, modify, and integrate into their own projects.  

Learn more and see mini-challenge prize detail

• Tutorial Mini-Challenge: Create a high-quality, task-based tutorial, how-to guide, or best practice content to foster a stronger community where creators support each other in their learning journey. 
  • To participate in this mini-challenge, submit tutorials or how-to guides that meet the following criteria:
    • Format: Written step-by-step how-to guide or tutorial
    • Length: Preferred minimum of 500 words
    • Title: Use a clear and descriptive title
    • Introduction: Provide a brief explanation of the task or workflow and why it is important
    • Instructions: Write clear, easy-to-follow, and actionable steps
    • Visuals: Include relevant screenshots or visuals to enhance understanding and clarity
    • Accompanying short-form video (optional, but encouraged) demonstrating the steps with screen capture and narration. If submitting video, ensure good resolution, clear audio, and a thorough walkthrough of the steps.

Learn More and see mini-challenge prize detail

Judging Process

To determine winners in this “Open Source Champions" competition, we have selected a panel of judges from within Meta who are experts on Meta Horizon, Documentation and Interactive Asset creation. 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.

Still have questions?

Check out the competition’s FAQ here.

Prizes

All submitted remixable worlds will be judged according to these 4 key evaluation criteria

• Reusability: Is this a plug-and-play system, template, or world others can easily remix?
• Modularity: Are the components well-separated and adaptable?
• Technical Impact: Can others learn from, extend, or deploy it with ease? Does the remixable world feel solid and reliable, with minimal bugs and high, consistent frame rate
• Experience Design: Experience design is the use of world design and mechanics, or game design and mechanics (including game loops) to deliver an enjoyable and rewarding experience to the intended audience