You can run the randomizer five times with the same seed settings and get five completely different Alolan adventures. One run, you catch a Lugia on Route 1. The next, you are forced to beat the game with a team of Dunsparce and Delibird.
An "updated" randomizer for Gen 7 usually includes features older randomizers lacked: pokemon sun randomizer rom updated
Modern updates incorporate customizable sliders for shiny odds (up to 1/100) and "area mapping," which ensures that even randomized encounters respect the terrain (e.g., no Gyarados in a dry cave unless you deliberately force it). You can run the randomizer five times with
Older randomizers often crashed during Z-Move animations or Totem Pokémon battles; updated versions have largely patched these "soft-locks." The "Review": Pros & Cons pokemon sun randomizer rom updated