Gorf

Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. Gorf is an arcade
game released in 1981 by Midway Mfg., whose name was advertised as an
acronym for "Galactic Orbiting Robot Force". It is a multiple-mission
fixed shooter with five distinct modes of play, essentially making it
five games in one. It is well-known for its use of synthesized speech, a
new feature at the time.