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) Tyrian (video game) Tyrian is a scrolling shooter computer game developed by Eclipse Software and published in 1995 by Epic MegaGames. The game was officially released as freeware in 2004, and the graphics were made available under an open content license in April 2007. "Tyrian" was programmed by Jason Emery, illustrated by Daniel Cook, and its music composed by Alexander Brandon and Andras Molnar. The game is set in the year 20,031. You play the role of a skilled terraforming pilot named Trent Hawkins, who is employed to scout out habitable locations on newly terraformed planets. His latest assignment is