Files with aei file extension can be found as game resource data files in games based on ABYSS game engine.
AEI file extension - ABYSS game engine data
What is aei file? How to open aei files?
File type specification:
The aei file extension is used for one of the main file types used in ABYSS game engine by Fishlabs.
Games based on this engine are mostly found on mobile devices, like iPhones as well as Playstation gaming consoles.
This aei file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.