It may not be cheat mode exactly, I have something similar, however it may have retroactively given me scenes that I would have gotten anyways. What I mean is that I got almost all the scenes, and when new art is put it, it may have been attatched to those scenes, instead of checking if I saw the image. Just a guess.
The new 0.3.44.0 version made it so all CGs are unlocked with a character. Now all the gallery scenes for a character are accessible once you've met them. Under tweaks and bug fixes: CGs are now unlocked with the character
