Emerald web is a collection of "Emerald Mines" games. Emerald Mines is a popular BoulderDash-like game that originally was released in 1987 for the Amiga by Kingsoft written by Klaus Heinz and Volker Wertich. The main purpose of this site is to archive all released Emerald Mines disks for the Amiga and there are already more than 300 spin-offs and clones in the download section.