PTKay | Unleashed Scene Effect on Generations (Part 2) @PTKay_ | Uploaded July 2016 | Updated October 2024, 2 hours ago.
So I decided to give this another shot. This time using apropriate files for each stage.
You can basically activate this mod and you have a "Sonic Generations Remastered" :P

You can download the mod here: goo.gl/7C1bOI

Huge thanks to Beatz for providing the SceneEffect files from Unleashed! :D