Magnavox Odyssey (1972)

Ralph Baer, creator of the Magnavox Odyssey

Example of gameplay with one of the many overlays

Magnavox Odyssey - Shooting Gallery 

Magnavox Odyssey TV overlays

Sources:

"A GIF History of U.S. Retro Gaming Consoles (1972-1996)" Imugr, posted by zadoc, Dec 23, 2014. https://imgur.com/gallery/va2VG

"Magnavox Color Screen Overlays" Wikimedia Commons, uploaded by Evan-Amos, May 16, 2015. https://commons.wikimedia.org/wiki/File:Magnavox-Color-Screen-Overlays.jpg

"Magnavox Odyssey" Video Game Console Library, posted by Dark Watcher, http://www.videogameconsolelibrary.com/pg70-odyssey.htm#page=reviews

"Magnavox Odyssey Box Details" Computer Closet Collection, http://www.computercloset.org/MagnavoxOdysseyBox.htm

Marino-Nachison, David. "Ralph H. Baer, a father of video gaming, dies at 92" The Washington Post, Dec 7, 2014. https://www.washingtonpost.com/national/health-science/ralph-h-baer-a-father-of-video-gaming-dies-at-92/2014/12/07/a24c8964-7e6e-11e4-8882-03cf08410beb_story.html?noredirect=on&utm_term=.7abe7fb48675