Tyrian purple to be 6,6′-dibromoindigo, derivative of indigo dye that had previously been synthesized in 1903. However, it has never been synthesized commercially. In 1998, through a lengthy trial and error process, an English engineer named John Edmonds rediscovered a process for dyeing with Tyrian purple. He researched recipes and observations of dyers from the 15th century to the 18th century. He explored the biotechnology process behind woad fermentation. After collaborating with a chemist, Edmonds hypothesized that an alkaline fermenting vat was necessary. He studied an incomplete ancient recipe for Tyrian purple recorded by Pliny the Elder. By altering the percentage of
Tyrian (video game) save games at any time, and the inclusion of a storyline to provide a reason behind "killing everything you see." He scored the game four out of five stars. "Computer Gaming World" nominated "Tyrian" as "Action Game of the Year". The original developers Jason Emery and Alexander Brandon considered "Tyrian"<nowiki>'</nowiki>s reception "far more" than their expectations. 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.