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Open-source Windows Mixed Reality application originally developed in March 2016 as part of the HoloLens Share Your Idea campaign.

Galaxy Explorer


Supported Unity versions MRTK for Unity Visual Studio 2017 Windows SDK
Unity 2018.3.8f1 or higher 2.0.0.rc1 15.9+ 18362+

Galaxy Explorer is an open-source Windows Mixed Reality application that was originally developed in March 2016 as part of the HoloLens 'Share Your Idea' campaign where the community submitted and voted on ideas. Since then Galaxy Explorer has been constantly updated with new features, also adding new platforms in the process.

You can read about the development of Galaxy Explorer on Microsoft Docs.

Galaxy Explorer Logo

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact with any additional questions or comments.

This project has also adopted the MRTK approach to contributing and documenting.

Supported platforms

The following platforms are supported by this project:

  • HoloLens 2
  • HoloLens (1st gen)
  • Windows Mixed Reality Headsets (VR)
  • Windows 10 Desktop


  1. Clone or download this sample repository.
  2. Download all of the developer tools from the Microsoft Developer Website.

Application building blocks

Building & running the application Building & running the application Application flow Application flow Audio system Audio system
How to run the application in the Unity editor as well as how to build the application for the different target platforms. Information how the application is structured, when scenes are triggered and so on. Information on the audio system, how to include and trigger sound effects as well as music.
Galaxy Galaxy Solar system Solar system Galactic center Galactic center
Explains how the galaxy is created and rendered. How the solar system is created and how the elements work. Explains the center of the galaxy scene and its elements.
Force pull interaction Force grab interaction Points of Interest Points of Interest Menu system Menu system
Details on the "force grab" interaction, how it works and how it applies to elements. How the points of interest work - the labels as well as the "content cards". More information about the menu system, its elements and functionality.


Galaxy Explorer is the application Microsoft is building as part of the Share Your Idea campaign.




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