Frequently Asked Questions

Here’s some answers to frequently asked questions about working with Unity that I get asked across all my courses.

1. What version of Unity do I use?

For all courses please use the same version of Unity as the instructor to get the most from your learning experience. You can install different versions of Unity on your computer using the Unity Hub.

If the course does not state which version of Unity I has been made with (which could be the case with older courses created in Unity 2018.2.x) you can find the Unity version number at the top of the videos.








2. How do I connect with other students doing Penny’s courses?

3. How do I contact Penny or a tutor?

NOTE: Our little team help thousands of students from all over the world to better their game development skills and while we’d love to help you out with your personal projects we simply don’t have the time or resources.  We also do not have the time to trouble-shoot third party tools and APIs.  For extra help outside the realm of our courses try the H3D Facebook or Discord communities or contact the developers of the tools.

  • For specific help while completing a challenge or tutorial in the lectures, post in the appropriate Q&As on Udemy.

  • For general comments or general questions message Penny via the Contact Form on the Holistic3D website.

4. Where can I find extra resources?

I’ve numerous resources and tutorials on my website at and in my YouTube channel

5. Where are the Unity Standard Assets

The standard assets that used to be in a drop down menu list inside Unity can now be found in the Asset Store here.






6. Where can I get my models, textures and animations?




  • Unity Asset Store

7. GUIText Errors with later version of Unity

If you are using a version of Unity that the course wasn’t created with (not recommended), you may encounter errors with GUIText like this:

To fix you will need to edit code in the Standard Assets file (mentioned in the error) thus:

8. What animation and modelling software do you use?

I use Autodesk Maya. You can obtain a free fully functioning educational version of it from:

9. What version of Unity should I use?

To ensure you always have the right version of Unity installed, you can have multiple versions on your machine by installing the Unity Hub.

I started creating these courses in Unity 5. Although Unity has integrated a lot of new functionality over the years the interface is very much the same. All C# code will work and if it needs an upgrade Unity does this automatically for you. If you find some functionality just doesn’t work, you might need to upgrade. But there’s no need until you run into an issue.

I have always and continue to use the Personal Edition which is freely available to all students from

10. What text editor do you use?

I’m currently using Visual Studio for Mac which comes with the Unity install.

I previously used Sublime Text. You can download it for PC or Mac from To set it up for use in Unity, select Unity > Preferences from the main menu and then locate the External Tools tab. Set the External Script Editor to Sublime Text.

11. How do you get rid of the sky and set the camera background to a solid colour?

Select the Main Camera in the Hierarchy, set the Clear Flags to “Solid Colour” and then set the Background to the colour you would like.

12. Help! I’m in 2D View. How can I get into a 3D view?

If you open Unity expecting a 3D view and you get 2D, don’t panic (this happens sometimes). It’s easily fixed. To switch between 2D and 3D view in the Scene window click on the 2D Button.

Next ensure the Main Camera is in Perspective View. Select the Camera in the Hierarchy and then set it’s Projection to Perspective.  Last, check you have a Directional Light in the Hierarchy. If not, right click on the Hierarchy window and select Light > Directional Light to add one.

You will now be in a 3D game setup.

13. I’m using Visual Studio with Unity and the auto-completion is not working.

Usually there is no auto-completion if the script says “Miscellaneous Files” instead of the of Project name. Restarting Unity and Visual Studio should fix this however, if it doesn’t other solutions can be found at: