: Open the Citra emulator, select "Add New Game Directory," and point it to the folder containing your extracted file.

The "Iku" series typically modifies standard Pokémon games (like Ultra Sun or Alpha Sapphire ) to include custom content and increased difficulty:

: Use a utility like WinRAR or 7-Zip to extract the content of DucumonIkuRandomizedCompleteCitra-ducumon.rar .

: The "RandomizedComplete" designation in your file indicates that wild encounters, trainer teams, and item locations have been shuffled using tools like the Universal Pokemon Randomizer ZX .