First game release
According to "Guru" Larry Bundy Jr on YouTube, the Amstrad CPC version was UbiSoft's first game release.
The plot is closely inspired by the 1978 film Dawn of the Dead
(which, perhaps coincidentally, was called Zombi
A revival of the game was announced at E3 2012 under the title ZombiU
as an exclusive survival horror title for the Wii U console.
Differences between Amstrad CPC versions
There were two versions of the game for Amstrad CPC: a standard and extended one. The latter would only run on CPC128 kB and it featured tweaked icon-driven interface making it easier to select options and more detailed background graphics.