Suggestion: Hard Mode
How would it work?: Hard Mode would either disable saves or limit the opportunities to do so massively making some of the areas where it's easy to slip up and lose more impactful. Now while people could just not save to simulate this, the purpose would be to unlock a section of the museum with exclusive vore scenes that never happened during the game.
Maybe the 3 main endings (Rebirth, Truth and Gutslut) would each have unlockable exclusive vore scenes for completing their routes in hard mode.
Hard mode could also change some maps a little to increase the difficulty but generally the mazes tend to be easy to get caught in and the stalkers sometimes catch you off guard, also the forest spirits occasionally get me. The point is it would add both thrilling risk and reward as not all vore scenes could find a place during gameplay but could exist in the museum as possibilities that never were.
Basically, it would exist to reward trying the game with more difficulty to it and make vore scenes that just dont fit anywhere during story mode still have a place to put them in game. Maybe they are past events, maybe they are fan ideas, maybe future events. Maybe also add challenges that unlock scenes, for example the Red Light, Green Light game offers no reason to move during the Yellow Light, but if there is a timer to beat to unlock a scene as a challenge, suddenly we have a reason to risk it. Could be all sorts of silly achievements or challenges you could add but hard mode is the most understandable and easy thing to do. There are people who like difficulty and there is people who are willing to take on difficulty to unlock stuff. Lots of great vore ideas in this suggestion area, not enough space for them all in the story or it gets cramped, so if ya like em enough, can make them exclusive scenes locked behind challenges or hard mode victory as said.