Obtain a clean Pokémon Alpha Sapphire ROM (3DS format). Step 2: Run the randomizer tool on your PC.
When looking for a randomizer, you aren't just looking for swapped monsters. The best randomizers allow you to customize the following: pokemon alpha sapphire randomizer rom top
Since Alpha Sapphire is a 3DS title, standard randomizers (like the Universal Pokémon Randomizer) often require specific versions or the pk3DS tool to handle Gen 6 files. Obtain a clean Pokémon Alpha Sapphire ROM (3DS format)