According to a statement by SFWA when the category was announced in 2018, it was added to reflect how changes in technology had expanded the media used for science fiction and fantasy storytelling.
Works published in English elsewhere in the world are also eligible provided they are released on either a website or in an electronic edition.
A game is considered by the organization to be "an interactive or playable story-driven work which conveys narrative, character, or story background".
Soon after, members are given a month to vote on the ballot, and the final results are presented at the Nebula Awards ceremony in May.
Entries with a gray background and a plus sign (+) mark a year when "no award" was selected as the winner.