Uh it was canceled I believe. Nobody knew about it. Even if they did they merely glossed it off.

Mr Tenda didn’t even ever mention his part in this until I brought it up on Slack.

Let’s make sure to ask him for a beta build

They must have made some progress. After all Radiation mentions that Flowey is a reincarnation of “the face” (The implications of which I leave up to you to decide fellow reader) a character supposedly introduced in such a beta version.

“There’s no magical planet-healing music in the sequel but something tragic happens to your mom at least.” The lost Undertale Lore ladies and gentleman.