There are six video games and one printing program based on ALF: 1987's ALF, also known as ALF: The First Adventure, for various computer systems, such as the Commodore 64, IBM, and Apple II,[62] 1989's ALF for the Sega Master System,[63] four educational games for IBM and Apple II computers released in 1988 called ALF's U.S. Geography, ALF's Thinking Skills, ALF's World of Words, and Add & Subtract With ALF, and the printing program ALF's Party Kit.[64][65][66][67][68]