Acronyms. Abbreviations. Call them what you will, they’re still a PITA*. They’re fine if you know what they mean – and let’s face it, nobody wants to keep typing out Creature From The Black Lagoon over and over – but for those times when you don’t know, here is the definitive guide for all the games from about 1990 to present, plus a few other relevant games, some technical terms and other stuff you might find useful. *it’s in the list! All | # A B C D E F G H I J K L M N O P R S T U V W X There are currently 5 Acronyms in this directory beginning with the letter O.O1Orbitor 1, Stern Electronics, 1982OEMOriginal Equipment Manufacturer, Official partsOOSOut Of Stock, Sold Out, Descriptive termOT (1)Operation Thunder, Gottlieb, 1992OT (2)Off-Topic, Not related to this discussion, Internet forum term