Download from here of from the alternate install link and run the main x64 executable from Release/fisutheittaa.exe
OR open the project in Unity editor and play (some extra information on it and on how to enable the eyeX support can be found from the README.txt file).
Concept, 3D-modelling, coding and troubleshooting: Jussi
Coding and eyeX integration: Ari
3D-modelling and art: Olli
Music (thanks to): Riku