The settings
- Randomizer Type: None, Region or All.
- Randomizer Seed: the same seed gives the same layout; leave it empty for a random one.
- Random Pal Levels: wild Pal levels are fully random.
Before you turn it on
Make a backup first so you can go back to the old world.
Questions
Can I use a randomizer seed from a friend?
Yes. Enter the same Randomizer Seed and Randomizer Type.