Files with sex file extension were game data archives in Urban Chaos third-person adventure from EIDOS.
There is one other file type using
the SEX file extension!
.sex - Alpha Five set index
SEX file extension - Urban Chaos game data
What is sex file? How to open sex files?
File type specification:
The sex file extension is associated with the Urban Chaos, a third person action adventure game for Microsoft Windows, Playstation and Dreamcast, developed by EIDOS in 1999.
The sex file stores various game data including maps, textures, models, objects etc.
This sex 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.