Game Physics Switch

[Ajayci 100]

I really don't know if this is a realistic ask, but for every level the level creator has a option to have their level take on the physics of one of the previous games, PR1/2/3 this would make the game more united for those who just want a more modern version of those games but not miss out on stuff like old glitches/bugs and anything that game brought physics wise.

[Northadox]

I disagree. Having to perfectly recreate the physics of the other games in a different engine totally perfectly is insanely difficult, and that would mean you're essentially having to maintain four games' worth of mechanics all at the same time. If you want PR1/2/3 physics, play their respective game.

[Camer the Dragon]

Trying to replicate everything down to glitches and bugs would be effectively impossible in a different game engine, as a lot of those come down to edge-cases which are handled differently.
Also I would say just having modern physics and spending the time and effort on those is for the best.