Defender - Videogame by Williams Electronics, Inc. (1967-1985) | Museum of the Game
File:Arcade Defender, Made by Entex Industries, Inc., Made in Taiwan, Copyright 1981 (LED Handheld Electronic Game) (2).jpg - Wikimedia Commons
This week's free game: "Defender" | The Spokesman-Review
Original Defender Arcade Machine by Williams | The Games Room Company
Defender (Arcade, 1981) - Video Game Years History - YouTube
Williams Defender video game (1981) | Arcade games are one important and fun area where we can easily see the improvements in technology during the 20th century. The Defender video game in...
Defender: an all-time classic that still offers lessons today - Polygon
9 Things You Might Not Know About Defender | Mental Floss