What if sewage systems disappeared from our world? As aging sewage pipes become a social issue, a heavy electrical equipment manufacturer specializing in water infrastructure has developed a game app that teaches how sewage systems work. The game is called “Sewer Kingdom.” With development costs reaching tens of millions of yen, this is a serious game aimed at increasing interest in sewage systems.

In late September, at Japan’s largest gaming event, amidst flashy light and sound displays where companies promoted new games, employees wearing blue work uniforms were introducing visitors to the appeal of “Sewer Kingdom.”

Eliminating Negative Perceptions of Sewage Systems

The game is set in a virtual world facing human extinction due to dysfunctional sewage systems. Players control characters representing sewage workers to remove “enemy” pollutants and restore the purified world.

The concept was proposed by the company’s Research and Development division…

Sewer Kingdom

I am not aware of any significant historical or cultural site known as the “Sewer Kingdom.” It is possible this name refers to a fictional location from a video game, book, or other media. Without a specific real-world reference, I cannot provide a historical summary.