This is a Unity3D project, so all you have to do is unzip the file and then open Unity. Select "Open Project" and search for the unzipped folder location. When the project is imported, you will be able to make a BUILD of it and get an executable.
Fábio Ribeiro - Project lead, level design, development
Daniel Olaizola - Level design, character design, 3D artist
Jordi Sala - Level design, prop design, 3D artist
Josep Llistosella - Development, music composer
Pau Aza - Development, gameplay development