Flashback was built by Switzerland's Intamin AG in 1985. It was called Intamin's "Space Diver" model, but it was the only one of its kind ever built.
It first operated from 1985 to 1987 as Z-Force at Six Flags Great America. It also ran as Z-Force at Six Flags Over Georgia from 1988 to 1991.
©2016 Joel A. Rogers.