Hexaplex trunculus degrades, resulting in blue only. Nonetheless, archeologists have confirmed Hexaplex trunculus as the species used to create the purple-blue dye; large numbers of shells were recovered from inside ancient live-storage chambers that were used for harvesting. Apparently, 10- to 12,000 murex yielded only one gram of dye. Because of this, the dye was highly prized. Also known as "Royal Purple", it was prohibitively expensive and was only used by the highest ranking aristocracy. A similar dye, "Tyrian purple", which is purple-red in color, was made from a related species of marine snail, "Murex brandaris". This dye (alternatively known as "imperial
Tyrian (video game) In the mini-game "Zinglon's Revenge" a giant ship projects a horizontal field of energy. Small enemies fall down from above and bounce around the edges of the screen and against the energy field. Touching the field or one of the small enemies means almost certain instant death. Players must shoot all the small enemies to advance to the next level. "Tyrian" was developed by a credited total of 11 people, with "three main drivers" — Alexander Brandon (composer and writer), Jason Emery (programmer and level designer), and Daniel Cook (artist and interface designer). For the aforementioned developers, "Tyrian" was their