The "RJ" prefix is a unique product ID used by DLsite , a major Japanese marketplace for independent (doujin) digital content. This number is used to identify the specific work and creator.
Kai realized with a jolt of horror what the "RJ01" in the title meant. It wasn't a version number. It was a seat number. His Simulacion De Suyasuya Densha Suimin Maru -RJ01...
The full title on the cracked CRT monitor read: The "RJ" prefix is a unique product ID
: Originally in Japanese, though fan translations or interface patches are often found in enthusiast communities. available in this version or similar titles from the same developer? Kai realized with a jolt of horror what
Without more information or a direct link to more details about "Simulacion De Suyasuya Densha Suimin Maru -RJ01-", it's difficult to provide specifics about: