All the events appearing on this calendar are recognized by Twin Galaxies and certain scores, player rankings or champions resulting from each contest will be published in the forthcoming commemorative edition of Twin Galaxies’ Official Video Game & Pinball Book of World Records. For the most up-to-date MAME Championships, also see the link for the annual MAMEDeca.

For information on how to register your event as an officially-sanctioned contest, whose results will be published in the next edition of the Book of Records, please email Blaine Locklair, Twin Galaxies' Editor-in-Chief, at Blaine Locklair.

Click on any link to learn more about each contest. However, for any player's contest results to be published in the forthcoming Book of Records, they must be registered as a Twin Galaxies member. You can register here.