Sega, an electro-mechanical arcade game manufacturer, enters the video game industry with Pong clones.
Computer Space makes appearances in the films Soylent Green and Sleeper.
Empire versions I, II and III are developed for the PLATO system by John Daleske. Possibly the first team game ever, the first fifty-player game ever, and numerous other innovations.
Silas Warner takes over PLATO Empire version I and renames it Civilization.
Atari releases PONG Doubles to video arcades. A variation on the wildly successful PONG, PONG Doubles is the first video arcade game to include four-player gameplay.[6]
Atari releases Space Race, the first Arcade Racing game ever.
^ abcThomas, Donald A. Jr (2005). "-1973-". ICWhen.com. Archived from the original on October 26, 2002. Retrieved February 15, 2006. {{cite web}}: Unknown parameter |dead-url= ignored (|url-status= suggested) (help)
^"WINNER from Midway"(PDF). The International Arcade Museum. 1973. Retrieved April 17, 2015.
^Winters, David. "Atari PONG –The first steps–". PONG-Story. Archived from the original on February 13, 2006. Retrieved February 15, 2006. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^Kurtz, Bill (1997). Slot Machines and Coin-Op Games. New Jersey: Chartwell Books. p. 125. ISBN978-1-55521-731-0.