Standard Unity executable. If failed to start, please open the project in an Unity editor, of version no later than 2017.1.2.
Credits go (mostly) to the team: buttheteam made out of Radu Gherman, Catalin Costescu, Georgios Pothitakis, Tudor Gheorghe, and Sorin Iliuta.
Many assets taken from the Unity Store, or thanks to OpenGameArt.org. Credits to the original authors.