The failed Atari Jaguar had a lot of announced games drop off the radar when Atari folded and was liquidated. The easily spelled shmup Zzyorxx II was one of them.
Now, thanks to preservationists, a ROM of an early demo has been dug up from the digital graveyard and made available.
The Atari Jaguar, much like SEGAs Dreamcast, is a great "what-if"-machine. When seeing Rayman or Tempest 2000 (a game series very much still alive) running on the Jaguar it's easy to see that the machine had potential that was just never fulfilled.