Michael Berlyn (born 1949) is an American video game designer and writer. He is best known as an implementer at Infocom, part of the text adventure game design team. Brainwave Creations was a small game programming company started by Michael Berlyn. The company was founded in the mid-1980s, and is probably best known for co-creating Tass Times in Tonetown along with Interplay's Rebecca Heineman. After his business ventures collapsed, Berlyn return to the video game industry, with a focus on casual games.