¡Mucha Lucha!: Mysterioso Grande was a fighting game developed by Ubisoft, but it was cancelled in 2004 because they didn’t being able to sign a publisher to release it.
Thanks to News for the description!
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.