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Portal was an ambitious attempt to tell a story with the depth of a novel and the interactivity of a game, sitting somewhere between interactive fiction and simulation of a computer system.
Also known as: Portal: A Computer Novel
November 1, 1986
Portal was released on November 1, 1986.
Portal takes about 15 hours to beat (main story).
Portal is available on DOS, Commodore C64/128/MAX, Amiga, Mac, Atari ST/STE, Apple II.
No — Portal is a single-player game.
Portal was developed by Nexa Corporation and published by Activision.