Maze, also known as Mazewar, and Maze War, is a 3D multiplayer first-person shooter maze game originally developed in 1973 and expanded in 1974. The first version was developed by high school students Steve Colley, Greg Thompson, and Howard Palmer for the Imlac PDS-1 minicomputer during a school work/study program at the NASA Ames Research Center. By the end of 1973 the game featured shooting elements and could be played on two computers connected together. After Thompson began school at the Massachusetts Institute of Technology (MIT), he brought the game to the school's computer science laboratory in February 1974, where he and Dave Lebling expanded it into an eight-player game using the school's Digital Equipment Corporation PDP-10 mainframe computer and PDS-1 terminals along with adding scoring, top-down map views, and a level editor. Other programmers at MIT improved this version of the game, which was also playable between people at different universities over the nascent ARPANET. Due to the popularity of the game, laboratory managers at MIT both played it while also trying to restrict its use due to the large amount of time students were spending on it. There are reports that the Defense Advanced Research Projects Agency (DARPA) at one point banned the game from the ARPANET due to its popularity.

Thompson and other programmers later developed several other versions of Maze, including a specialized hardware-based game by Thompson and other students as well as a version titled Mazewar by Jim Guyton, Mike Wahrman, and colleagues at Xerox for the Xerox Alto computer. The Xerox version went on to inspire many different takes on the first-person maze game concept in the 1980s and 1990s, released under many different names. Maze is believed to be the first 3D first-person game ever made. It is likely also the earliest example of what was later termed the first-person shooter genre and is considered along with the 1974 space flight simulation game Spasim to be one of the "joint ancestors" of the genre. It has additionally been credited with a variety of other firsts, such as the first level editor, first observer mode and radar, and first avatars, but due to its reliance on specific, expensive computer hardware its direct influence on video games and the first-person shooter genre was limited.

Gameplay

Maze is a multiplayer first-person shooter maze game in which players traverse a flat maze and shoot opponents to score points. The maze layout is represented by a grid of spaces that are either empty or solid and form a flat plane containing walls of equal height. The game contains a default maze layout, but players can provide their own upon starting the game. The player can move forward and backwards between spaces at a rate of one space per key press and can turn left or right or look behind themselves in 90-degree increments. They can also peek around corners, which changes their view as if they had both moved forward and turned, but does not move their player character or allow them to shoot. Other players in the maze are displayed as the letters of their usernames along with an indicator of which direction they are looking; later versions of the game replaced this with the image of an eyeball. Players can also send text messages that are displayed on the screens of other players.

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  • Imlac PDS-1D Assembler source and listing for the MIT version of Maze, as of April 1974
  • Class report for "The Maze Game" hardware design project
  • Imlac Maze War Video of Maze gameplay by Tom Uban at the Computer History Museum
  • Video of Xerox Alto version of Maze War used as evidence of prior art in later copyright court case
  • PDF of presentation given by Greg Thompson at the Computer History Museum November 2004