A ghoulish parade of the "undead" numbering almost 10,000 descended on Mexico City in what organisers claim is the largest "zombie walk" ever held.
Wearing blood-spattered rags and make-up displaying festering wounds, the "zombie hordes" wandered through the heart of the capital groaning and stumbling.
Asbury Park in America currently holds the Guinness world record for the largest zombie walk after 4,093 zombies marched through the area in 2010.
Numerous zombie walks have appeared on streets all over the globe as the craze continues to grow in popularity, and is fuelled by movies, television, video games and literature.
A rival group in Brisbane, Australia, has also laid claim to the record after unleashing a monstrous horde of 8,000 zombies last month.
Some cultural observers believe the phenomenon could be linked to the ongoing global economic crisis, or is perhaps a reaction to consumerist ideals.
This is denied by participants, who usually claim they are doing it for fun.
In a country where the "Day of the Dead" is a national celebration and where brutal killings by drugs gangs are reported daily, the craze seems to have particular resonance.
Zombie walks have also been staged this year in other Latin American countries.