Polybius (urban legend)

Polybius is a fictitious arcade game. It supposedly causes weird side effects. "Polybius" is an urban legend, or a thing that may not exist. It may have originated on coinop.org, a website documenting arcade games.
Etymology.
The name "Polybius" comes from the Greek words "poly" and "bios", meaning many, and lives, respectfully. Polybius is also the name of a historian and a cipher. 
Description.
"Polybius" was a shooter with odd gameplay, like puzzles. The only screenshot is the title screen. It was supposedly developed by a "Sinneslochen Inc." in 1981. It was supposedly released in Portland, Oregon.