sentences:  This was followed by another classic Spectrum shoot-em up, "Zynaps", and a puzzle/shooter, "Anarchy", both of which were released in 1987.After leaving Hewson, he joined Graftgold to work on the Spectrum conversion of "Flying Shark", as well as the Amiga and Atari ST versions of "Simulcra" and "Rainbow Islands".Robinson left Graftgold to pursue his interest in 3D graphics, moving to Leeds-based Vektor Grafix.