Jump (19xx)(H. Stamm)(de)
ZX Stuff Demo (19xx)(H. Stamm – Ch. Zwerschke)(de)
ZX Stuff (19xx)(H. Stamm – Ch. Zwerschke)(de)
Jump Jet (1985)(Anirog)[cr Simon][JUMP Start]
Jump Jet (1985)(Anirog)[cr Simon][a][JUMP Start]
3D Labyrinth (1983)(H. Stamm)[a2]