Tyrian purple the Iles Purpuraires at Mogador, in Morocco. The sea snail harvested at this western Moroccan dye production facility was "Hexaplex trunculus" (mentioned above) also known by the older name "Murex trunculus". This second species of dye murex is found today on the Mediterranean and Atlantic coasts of Europe and Africa (Spain and Portugal, Morocco, and the Canary Islands). The colour-fast (non-fading) dye was an item of luxury trade, prized by Romans, who used it to colour ceremonial robes. Used as a dye, the color shifts from blue (peak absorption at 590 nm, which is yellow-orange) to reddish-purple (peak absorption at
Tyrian (video game) version, consists of first 3 episodes and included various bugfixes. The registered version also included the ship editor, which was later available as separate download. Version 2.0 added the additional Episode 4 (An End to Fate) and several new game modes, like the two-player mode. Version 2.01/2.1 fixed some keyboard bug and included the "Christmas mode", triggered by starting the game in December In 1999, "Tyrian" was re-released as "Tyrian 2000", which includes an additional fifth episode and bug fixes. Additional ships include Phoenix II, Storm, Red Dragon, Pretzel Pete Truck (from the Pretzel Pete video game published by XSIV