The Vectrex was a video game that came with its own vector monitor built in. It was only black and white and relied on plastic screen overlays to get color in

The Vectrex was a video game that came with its own vector monitor built in. It was only black and white and relied on plastic screen overlays to get color in different parts of the screen. https://en.wikipedia.org/wiki/Vectrex https://en.wikipedia.org/wiki/Vectrex