: Navigate to SD -> cias , select your file, and choose Install and delete CIA .

To guide you through One Piece: Unlimited World Red for the Nintendo 3DS (EUR region), this response covers installation for modded consoles and key gameplay mechanics to get you started.

This title is an action-adventure "brawler" featuring an original story centered on a new villain, .

For a visual guide, you can follow this complete video walkthrough which covers the game from start to finish. One Piece: Unlimited World Red - Guide and Walkthrough

: Once finished, press the Home button. The game will appear as a new "gift" on your Home Menu. Gameplay Essentials

: Reinsert the SD card, power on your 3DS, and open the FBI app from the Home Menu.

: Connect your 3DS SD card to a PC and place the .cia file in a folder (commonly named /cias/ ) on the root of the card.