Open FBI , navigate to SD -> cias , select the file, and choose "Install and delete CIA."
Always ensure you own a physical or digital copy of the game before downloading files online. Support the developers so we can keep seeing Luigi in the spotlight! AI responses may include mistakes. Learn more Luigi’s Mansion Dark Moon Legit CIA (EUR/USA)
These are original, unmodified files often dumped from pre-installed bundles. They are generally safer for online play. Open FBI , navigate to SD -> cias