Sarah Jane Avory takes her previous NEUTRON and stuffs it with all possible tricks with the commodore64. Multilayer parallax on graphically differentiated levels, more musical modules, more playability. Zeta Wing is also more difficult to deal with proportionally to a shorter duration, seven levels in total unlike the nine present in NEUTRON. An instant classic piece of software that highlights the abilities of this programmer who, a few months later, would be further surpassed ...