A randomizer is a piece of software (usually a .exe file like the Universal Pokémon Randomizer) that edits the ROM. It scrambles the game data. You can randomize:
Suggested milestones to track and celebrate: Pokemon Diamond Randomizer Nuzlocke Rom Zip
You’ve loaded your ROM. Professor Rowan hands you three pokeballs. What is inside? A randomizer is a piece of software (usually a
Immediate threats in a Randomizer Nuzlocke: Immediate threats in a Randomizer Nuzlocke: Right-click your
Right-click your new randomized .nds file and select "Send to > Compressed (zipped) folder." Name it Pokemon_Diamond_Randomizer_Nuzlocke.zip.
Why zip it? Many emulation forums and transfer protocols prefer ZIP files to prevent file corruption. Also, it keeps the patch and the ROM together if you store it on a cloud drive.
You need a clean, unmodified Pokemon Diamond ROM (usually a .nds file). Look for the USA or Europe version to avoid save corruption. The filename is often Pokemon - Diamond Version (US).nds.