"This is a simple program that moves around items in the Legend of Zelda: A Link to the Past (ALttP). It is used for racing the game.
When racing the game, it is suggested that each player play the same seed to ensure a level playing field."
https://dessyreqt.github.io/alttprandomizer/

But... what happens if the moon pearl is somewhere in the dark world?
> But... what happens if the moon pearl is somewhere in the dark world?
Not sure, the official documentation doesn't mention that case.
You can reset the game to return to the light world.
That's a nice feature, thanks for letting us know Keith.