Files with g2d file extension might be found as game files from GSC Game World Alexander real-time strategy.
G2D file extension - Alexander game data
What is g2d file? How to open g2d files?
File type specification:
The g2d file extension is related to the Alexander, a real-time strategy by GSC Game World, based on he historical movie Alexander, depicting the life of the famous general.
The g2d file contains game data.
This g2d 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.