Well looks like niiCri just released the standard version of SAW021-3 (the Kurumi game) just today for 10$ patreon supporters and will later be released on the 10th to the rest of patreons according to this latest/most recent patreon post.
And he adds later on that on February is the Standard version, while on March he plans to release the EXTRA version and later on the ULTRA version of it (so I believe this is the second game he has made with an "ULTRA" version besides Quinella from SAO being the first, iirc).
He also somewhat jokingly clarifies that on both the EXTRA version according to him "some PC will be unplayable" and the ULTRA version and I quote "But I guarantee there will be very few PC that will be able to play". So with all this in mind I'm guessing expect some huge performance issues, and or graphic errors, or just straight up crashes? Just keeping you guys on the loop. Can't wait for it.