Heiankyo Alien
References
Theoretical Science Group (TSG), The University of Tokyo
Gameman's "I love retro games": Challenge the brains of Tokyo University! "Heiankyo Alien"
"Super Arcade" Kiyofumi Tane, Shinichi Yamoto, Hiroki Abe Ohta Publishing, 2002/6 ISBN 4-87233-670-4
Interview article on pages 10-23
Heiankyo Alien – 2002 Developer Interview
English translation of the interview article from "Super Arcade"
Museum of the Game: Heiankyo Alien
HardcoreGaming101: Heiankyo Alien
Heiankyo Alien‘s development background, according to the Japanese Wikipedia, is nothing short of amazing: A reporter for a popular column in the Asahi Weekly, so the story goes, came to Tokyo University to report on game projects, but had to find out that no games were being developed there. So a call for game ideas was quickly made on campus, and a student came up with the idea for Heiankyo Alien, which was then included in the Asahi Weekly article without a line of code being written at the time.
The famous "Heiankyo Alien" is now available on Steam, with two arranged modes for a new experience
We uncover the mystery of the new Steam version of Heiankyo Alien, brought to life by two legendary creators who were brought together by a strange fate! Rei Umanami (September 15, 2017)
Interview with Ichikawa Mikito, the man behind the reprint and remake of "Heiankyo Alien" (Part 1)
Interview with Mikito Ichikawa, the man behind the reprint and remake of "Heiankyo Alien" (Part 2)
Heiankyo Alien - 29500 points (gameplay video)