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) never find a publisher. However, after a long wait, Robert Allen—head of Safari Software—considered "Tyrian" to fit perfectly with their company, which handled smaller scale projects. Robert Allen had word from Cliff Bleszinski that "Tyrian" was very similar to "Zanac", thinking that it should be followed up. Robert Allen gave leads to sound coders and artists, the first being Bruce Hsu who created interface graphics and character faces. Artist Daniel Cook was hired after composer Alexander Brandon showed interest in his artwork, which was—unbeknown to Cook—"sent around" by a friend. After he was sent a short list of levels, Cook