From publisher blurb:
The City is a sinister dictatorship presided over by the mysterious dictator Supreme. The heroes of the City must not only struggle against the machinery of state but the horrors of the City's (heavily classified) past- including the alien Cascade, monsterous Gods of Darkness and innumerable other secrets.
The City is an offical setting for Superlatives and includes:
A description of this city state, its districts, government and official history.
Details of resistance movements, the alien Cascade and forces of dark magic which menace the citizens of The City.
Seventy new characters.
The adventure Diamond in the Rought - pitting characters against the arbitary decisions of Supreme's government and offering a glimpse beyond the Ministry of Information's lies.