Mabel Addis was posthumously awarded the Pioneer Award during the 2023 edition of the Game Developers Conference, recognizing her significant contribution to the video game industry as the first video game writer and designer.

Mabel Addis Mergardt passed away at the age of 92 in Purdys, New York. She is remembered for her pioneering work in creating the first narrative video game, 'The Sumerian Game'.

Mabel Holmes (later Mabel Addis Mergardt), the American writer, teacher, and first video game writer, was born in Mount Vernon, New York. This is her birthdate.