Inspiration:
When I was a teen, I loved the Xbox 360 Kinect fitness apps. Now, after crossing into my 30s and spending most days sitting in front of a PC, my back started giving me trouble. I began doing quick daily exercises, but I always wished I could turn them into something fun, something like VR app. The problem was, VR felt too risky to move around in. Mixed Reality finally solved that. I couldn't find what I was looking for browsing Meta store, Apps there are aimed mostly for boxing. And this competition gave me the push I needed to start building this project. a safe back-muscle exercises MR app.
What it does:
This workout app makes you move your entire body to break boxes. It isn’t focused on speed or intense action. Instead, it encourages full-body movement to warm up your muscles. Ideal for morning exercise. The physics of this game makes it addictive.
How we built it:
- Unreal Engine 5
- MRUK/ Passthrough/ Presence Platform for Mixed Reality.
- Meta hand tracking.
- Scene understanding for collision.
- Meta XR audio for spatial audio.
Challenges we ran into:
The current samples and documentation feel limited. I’d love to see more detailed examples and clearer guidance for working with UE and MR.
Accomplishments that we're proud of:
I never thought I could bring this project to life in such a short time. This hackathon gave me the motivation I needed. and the members of the Meta Start Discord were a huge help.
What we learned:
Building a Mixed Reality app isn’t as hard as it seems. It took me just two weeks to learn everything I needed for this project.
What's next for Color Fit (Mixed Reality)
Before releasing the game to the public: 1- Polish the graphics, sfx, background track, and optimize the game more.
2- Add more workout routines and allow users to create custom workouts.
3- Spatial Anchors, As you work out, you earn gold. You’ll be able to spend that gold on plants, flowers, seeds, and water. then place them on your real-life table using Spatial Anchors. Your virtual garden will live in your actual space.
4- Daily Plant Care for Motivation Your plant becomes your daily companion. Each day you’ll need to take care of it, making it part of your routine. This gives you a reason to come back, stay active, and keep your plant healthy while keeping yourself fit.
After releasing the game to the public:
1- Multiplayer Support Future updates will include multiplayer features using Shared Spatial Anchors. You’ll be able to visit each other’s spaces, Play together, and trade seeds.
2-Reskin your room using scene understanding. With the gold you earn, you can buy accessories and decorate your room. This gives you extra motivation to keep working out and earning more gold.
Built With
- handtracking
- metaxr-sound
- mruk
- presenceplatform
- ue5


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