In the late 1980s, Moraff began programming games for MSDOS-based computers, culminating in the 1988 release of Moraff's Revenge, which, in addition to the SVGA graphics, was one of the earlier games to be distributed using a shareware model.[citation needed] This launched his career as a computer game developer and the company that would become MoraffWare and later Software Diversions, Inc. (SDI), based in Florida, which now specializes in Mahjong solitaire-type games
Each game uses different controls, most DOS games use the keyboard arrows. Some will use the mouse , "Alt" ,"Enter" and "Space bar".