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) created sample artwork on an Amiga 1200. It was met with praise by the other developers, who asked him to "make some more!". The artwork was completed in a 4-month period. After work began on graphics, the popularity of "Tyrian" rose at Epic MegaGames. Arturo Sinclair from Storm Front Studios joined to create rendered artwork for planets and character faces. The developers wanted a "simple and fun" interface, and changed it at least three times before deciding on a final design. At this point, "Tyrian" was almost complete; with the "Loudness" sound system, near-completed sound effects, and a marketing plan