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 LDS (Loudness Sound System) format. The "Tyrian 2000" CD includes 25 of the tracks in red book audio format. The red book tracks are omitted from the freeware version due to the download size. The tracks "ZANAC3" and "ZANAC5" are reproductions of two songs from the MSX/NES game "Zanac". Alexander Brandon released the music of "Tyrian" for free in August 2010. The game mostly received positive reviews. "Tyrian" scored 87% in "PC Gamer" (one percent below their Editor's Choice award). A reviewer for "Next Generation" complimented the use of a shop system for acquiring powerups, the ability to