A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional optical microscope.
Recognized by the Guiness Book of World Records as the MMO with the longest play time per player, and easily the oldest game on this list (launching four years ahead of World of Warcraft, way back in 2001), Runescape deserves mention because it's one of the most updated and popular games of any kind on the planet.
Hooked on Trivia: The Radio Game Show claims to be the world's longest running radio quiz show but doesn't give any dates.   but   Simply Trivia on WYSO claims t â¦ o be the longest continuously running call-in trivia radio show in the U.S. - about 25 years.  As of Jan 09, they are in their 26 year.