Example image of eyePlorer eyePlorer map for 'History of video games': Cathode ray tube Missile defense Video game Mainframe computer Arcade game Console game Handheld video game Personal computer game Computer Space Europe Japan United States North American video game crash of 1983 North America History of video game consoles (fourth generation) History of video game consoles (sixth generation) Handheld electronic game Handheld game console Mobile phone Personal digital assistant Thomas T. Goldsmith, Jr. United States patent law Vacuum tube Computer graphics Christopher Strachey Draughts Pilot ACE A.S. Douglas OXO Tic-tac-toe University of Cambridge Electronic Delay Storage Automatic Calculator Analog computer Oscilloscope William Higinbotham Brookhaven National Laboratory Tennis for Two Gravitation Pong Tennis court Trajectory University Hardware Massachusetts Institute of Technology Spacewar! Steve Russell PDP-1 Black hole Spacecraft History of the Internet