Quoted By:
Just explaining some points.
> Platinum's plot
> Fused forms: Dialga + Palkia + Eternity Breaker (Key Item) = Dialga Eternal Form // Dialga + Palkia + Infinity Breaker (Key Item) = Palkia Infinity Form. You catch a form depending on the game (c'est a dire you catch both legendaries)
> Camera control almost everywhere except towns and indoors.
> Underground is like the Wild Area, where other players can go online and will pop up for raids, and the digging up cooperative minigame.
> Dynamax / Gigantamax
> New Gmax : Torterra, Infernape, Empoleon, Staraptor, Luxray, Kricketune, Vespiquen, Ambipom, Lopunny, Driflim, Carnevine, Lucario, Drapion, Hippowdon, Mamoswine, Weavile, Togekiss, Rhyperior, Garchomp, Alakazam, Golem, Hitmonlee, Hitmonchan, Hitmontop, Meganium, Typhlosion, Feraligatr, Granbull, Unown, Skarmory, Tyranitar, Chimecho, Giratina
> Eternatus
> The story starts after the events in Galar.
> League: player can choose which elite 4 member he battles first. Each Elite 4 member has a Gmax mon. Champion: Cynthia (first battle), random trainer (second battle, rivals, gym leaders, former team Galactic, or Cynthia once again)
> Camping is back
> Walking with pokemon partner from the start (Like in let's go it doesnt need to go first in your party).
> New Rotom Bike (No HMs)
> New Rotom Phone
> Contests and poffins return
> No Secret Bases or Traps
> Poketch returns as part of the menu.
> Let's Go Catching Mechanics in the Grand Marsh and Let's Go Pal Park.
> Battle Frontier
> Characters from other games coming back: Team Rainbow Rocket Giovanni, Drasna, Jasmine, Prof. Oak.
[...]