All special effects were created traditionally by David Chapanoff, without using any computer tricks, except for the coloring of the project done by Carlos Corresa.
Paco Plaza, director of Rec 3, Romasanta and others, assisted the team through the whole project giving advises in order to get the best result possible.
The scenario was entirely built up for the short-film at Llumm Studios.
Dannyels Valkfanien built a new music instrument to get the sounds the director wanted.
It took 3 days and a half to shoot the whole film.