All 807 Pokémon available in Gen 7 are distributed across the islands.

Pre-patched versions (v1.0.5) are often hosted on community sites like Ducumon and Romsfun . The Expanded Build v1.0.5 Highlights

Hold the Select button while booting up your 3DS to open the Luma3DS configuration menu. Ensure Enable Game Patching is checked, then press Start to save.

The vanilla Ultra Sun locks dozens of classic Pokémon behind Island Scan. throws that out. From Route 1, you can encounter:

Since its release, has been hailed as a gold standard for 3DS difficulty hacks. It strikes a rare balance: it is unforgiving enough to force you to think about type matchups and move sets, yet fair enough that every victory feels earned. The Expanded Build, in particular, revitalizes the "catch 'em all" spirit, turning every patch of grass into a potential surprise.