Since getting Greenlit, I've been busy implementing the Steam Workshop functionality to make it easy to share tracks and find new ones to try, and it's almost finished. It's now possible to take a photo of a track in-game as a preview image, then upload it with the track data to the workshop. It's also possible to subscribe to tracks and have them automatically added to the game. I'm planning to add similar functionality for a collection of tracks.
I've added the ability to load mp3 files from a designated folder, so you can listen to your own music and have the scenery reacting to it. This was frustratingly difficult because Unity doesn't have any inbuilt capability to load mp3 files, but I've managed to implement an appropriate decoder and I will extend this functionality to some more file types.
I've starte working on the notification system for sending and receiving challenges. Then there will only be some minor features to add and some bug testing before I make it available on Steam.
Finally, two more scenery objects have been added: