: Because the game was so enormous, it was split into dozens of compressed "volumes." Part 05 is just one brick in a wall of data. Without it, the entire installation fails. The Cultural Context

To understand this specific file, you have to look at what each part represents:

It remains a symbol of a time when even the most "un-crackable," cloud-reliant games were still being dismantled and distributed by groups like HOODLUM, one .rar file at a time.