Dye wood, fungi, and lichens. Most dyes are synthetic, i.e., are man-made from petrochemicals. Other than pigmentation, they have a range of applications including organic dye lasers, optical media (CD-R) and camera sensors (color filter array). Textile dyeing dates back to the Neolithic period. Throughout history, people have dyed their textiles using common, locally available materials. Scarce dyestuffs that produced brilliant and permanent colors such as the natural invertebrate dyes Tyrian purple and crimson kermes were highly prized luxury items in the ancient and medieval world. Plant-based dyes such as woad, indigo, saffron, and madder were important trade goods in the
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.