Nice find, it looks like the Zachtronics gang is back at it with https://coincidence.games/

And that they are using Klei as their publisher, who happens to be the same publisher behind Fretless. So much nerdy wholesomeness in one place!

https://store.steampowered.com/publisher/klei

https://store.steampowered.com/app/2429050/Fretless__The_Wra... minidocumentary by Rob Scallon on the making of, https://www.youtube.com/watch?v=3USobO6qRHE