Final Mix+ is a bundle of Final Mix and Re:Chain of Memories

And Super Mario All-Stars has Super Mario Bros., and both Super Mario Bros. 2's

Thanks for the input, I’ve added the two Kingdom Hearts games. The individual entries of Super Mario All-Stars aren’t on this list though since they get a significant change in their visual style and music, along with some slight adjustments to the physics.

Umineko is a bundle of Umineko no Naku Koro Ni 1-4 and Answer Arcs is a bundle of Umineko no Naku Koro Ni Chiru 5-8

Thanks for catching that, the individual Umineko entries 1-8 are now on the list.