>botw style open world
>difficulty options, including exp rate
>free starter choice from a pool of nearly all first stages (no sneasel, scyther etc.) and similarly weak mons like delibird
>"story" optional
>focus on exploration and dungeoneering areas, though most of them aren't required
>megas, z-moves, gigantamaxes are tweaked into megas
>pool of rivals to choose from (actually able to deny fighting the others), create a more personal story with them that way, including exclusive dungeon areas to coop with each of them
>all the customization from before and more combined, more unisex options
>all pokemon available, incl forms; alolan vulpix/ galar darumaka in the snowy mountains, kantonian vulpix/ unovan darumaka on the plains etc.
>overworld mons and random encounters like ss
>following pokemon from LGPE but stationary behind you like in HGSS, incl. ride
>tweaked scaling, including resizing pokemon with retarded heights
>villain plot does not focus on a legendary, and also is optional
>items instead of HMs or ride pokemon, like LGPE ride YOUR pokemon and allow them to replace certain items you have
>all pokeballs available, all moves
>expansive battle facility
>certain minigames like pokestar studios, game corner stuff, contests or something like it
i'm sure i've forgotten a few things