Killer Instinct is a fighting game developed by RareWare and published by Midway and Nintendo. Initially released in arcades in 1994 it was later ported to the Super Nintendo. In the gallery below you can notice some early character designs for B.Orchid and Glacius. As they wrote at the Killer Instinct Arena, the earliest version of Black Orchid was a blonde amazon, but a later version of her featured a black outfit. In the final game Orchid wears a green and yellow dress.
Also, thanks to Lucazz we found out that a beta Killer Instinct ROM was somehow leaked online, and it contains many differences from the final version:
Thanks to Robert Seddon and Lucazz for the contributions!
In a promotional video of Killer Instinct, embedded below, we can see an early version of the coin-op with some differences:
U64 is an archive with articles, screens and videos for cancelled, beta & unseen videogames. Every change & cut creates a different gaming experience: we would like to save some documents about this evolution for curiosity, historic and artistic preservation.