Always ensure the base Stretchmo app is installed before installing the DLC CIA. Even though the base game was free, the DLC acts as a "key" to unlock the levels.
Subreddits like r/3dspiracy have extensive megathreads and guides on how to safely find and install DLC for games that are no longer available for purchase. Safety and Requirements Stretchmo 3DS (USA) DLC CIA
Many users have uploaded "Ghostlight" or eShop "Redump" collections to the Internet Archive. Searching for "3DS DLC CIA Collection" often yields results for the entire library. Always ensure the base Stretchmo app is installed
A file is a package format used to install games, updates, or DLC onto a 3DS console using custom firmware (CFW). Stretchmo 3DS (USA) DLC CIA
