Densha de Go! EX is an enhanced version of the original train simulation arcade game, featuring an additional route on the Sagano Line that was not included in the initial arcade release. The game was adapted for the Sega Saturn, allowing players to experience the updated content and improved gameplay mechanics in a home console format.
Densha de GO! EX is an expanded version to the original, that adds an additional route to the Arcade version, where a section of the Sagano Line that was skipped in the original is fully playable. A Sega Saturn port was based on this version of the arcade original was also released.