BLACK HOLE SEARCH You are lost in space, and must attempt to return to Earth through a series of black holes. Black holes pulse for only a short time and so their position must be memorised. The heat from a star will send your controls haywire and the number of stars increases with each black hole. A further complication is that you are short of oxygen. Black Hole Search was written for the 16K Spectrum by G.H. Allen of Kings Heath, Birmingham.