To play a randomized version of SoulSilver, you generally need three things: a clean ROM file, a randomizer tool, and an emulator.
: You must provide your own .nds file. For legal reasons, most communities recommend dumping this from a cartridge you own. pokemon soul silver randomizer rom download
: The gold standard is the Universal Pokemon Game Randomizer (or the ZX version for newer features). This tool works by "patching" your clean ROM with whatever settings you choose. Customize Your Experience : To play a randomized version of SoulSilver, you