Root Letter Last Answer, the updated version of the Visual Novel game Root Letter, that allows players to select either a drawn/animation, or a live action presentation, is currently at its lowest price, with a 70% discount:
The last update I read was in mid-last year. I believe they were trying to get it done for late 2019, but that came and went, and they haven't updated anything in some time.
Hopefully, it's just to avoid further delays.
Their twitter page (which is the platform that they more frequently updated) is: