As we are early in development, we do not have a proper error messaging system. There are lots of bugs that we are addressing. In order to make your Play time stress-free, try and follow these guidelines:


  • While we recommend Chrome since WebGL runs fastest on it, all other major browsers (Firefox, Safari and Explorer) are supported. Note however that the VR scenes published from Play are only supported on Chrome and Firefox.

Naming Conventions (for imported assets and scenes)

  • Names must be letters and numbers with no spaces. Underscores, dots, and dashes are valid, but no other characters.
  • File names cannot be longer than 100 characters

Troubleshooting Steps

save refresh

Before reporting bugs or unexpected behaviours, please try one of the following:

  • Hitting REFRESH in the browser (Shift/Command/R on Mac) will solve 94.99% of all bugs and unexpected behaviors. BUT make sure you always first hit SAVE in Play, before Refreshing the page, otherwise you might loose all the work you have done!!
  • As a second step, try CLEARING your browser’s cache : Command/Shift/Del on Mac

3D Models

  • We do not accept textures larger than 4096x4096
  • Model size is recommended to be under 150K. Anything above that will affect performance.
  • The recommended 3D format for multi-mesh models is .dae (Collada)
  • Secondary is .fbx, .obj, .ply (Other formats may work but they are not optimized for Play)
  • If after loading your model, you do not see it in the viewport there is a chance this is just an issue of scale. To verify this is the case please use the “Autofit Mesh” node instead and then see if your model appears.


  • Every time you change a text field, you must click ENTER to finalize it

Shortcuts and Helpers

  • In a text field, right click on the number field, if you right click, it will reset to the origin position that the node started in.
  • For copy/paste, normal shortcut keys work


Play is built and run on a technology called WebVR. It is an experimental web standard that provides access to VR devices in your browser. You can learn more about WebVR at

What this means is, Play is automatically forward compatible with all current and future VR devices. The way you open a Play scene in your VR device is just like you open a Play scene anywhere else, simply open the Play URL in your web browser.

However, since WebVR is still experimental, not all browsers support it yet.

  • Mobile / Cardboard: If you are running Android or iOS, VR in Play should already just work. We recommend downloading the latest Google Chrome browser for the best experience.
  • Desktop / Vive / Oculus: Unfortunately, desktop browsers do not currently support the WebVR API. You would be required to download and install an experimental WebVR build. We recommend this Chromium WebVR Build.