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Portal Revolution only features a single-player mode. [6] Its campaign consists of 40 test chambers, sorted into eight chapters; new additions to Portal Revolution are explained to the player throughout the game. [1] [3] [10] The game's difficulty increases progressively, and it can be completed in approximately 8 hours.
Portal is a series of first-person puzzle-platform video games developed by Valve.Set in the Half-Life universe, the two main games in the series, Portal (2007) and Portal 2 (2011), center on a woman, Chell, forced to undergo a series of tests within the Aperture Science Enrichment Center by a malicious artificial intelligence, GLaDOS, that controls the facility.
Portal 2 is a 2011 puzzle-platform game developed by Valve for Windows, Mac OS X, Linux, PlayStation 3, and Xbox 360. The digital PC version is distributed online by Valve's Steam service, while all retail editions were distributed by Electronic Arts. A port for the Nintendo Switch was included as part of Portal: Companion Collection.
Michael Avon Oeming (young appearance) (Portal 2: Lab Rat) Andrea Wicklund (older appearance) (Portal 2: Lab Rat) Voiced by. Unknown (vocalizations in some music tracks) Doug Rattmann, often referred to as the " Ratman" is a character in both Portal and Portal 2. He was a former scientist working at Aperture and one of the few who survived when ...
Single-player. Portal is a 2007 puzzle - platform game developed and published by Valve. It was released in a bundle, The Orange Box, for Windows, Xbox 360 and PlayStation 3, and has been since ported to other systems, including Mac OS X, Linux, Android (via Nvidia Shield), and Nintendo Switch. Portal consists primarily of a series of puzzles ...
Portal Stories: Mel. Portal Stories: Mel is a 2015 puzzle-platform modification for Portal 2 developed and published by Prism Studios. Set in the Portal universe, the player controls Mel, a test subject with a prototype of the portal gun who must escape an underground facility after spending decades in artificial hibernation by completing puzzles.
Chell (Portal) Chell (. Portal. ) Chell is the silent protagonist in the Portal video game series developed by Valve. She appears in both Portal and Portal 2 as the main player character and as a supporting character in some other video games. Not much is known about Chell but some posit she is the daughter of an employee at Aperture Science ...
Still Alive. " Still Alive " is the song featured in the closing credits of the 2007 video game Portal. It was composed and arranged by Jonathan Coulton and was performed by Ellen McLain, who voiced the Portal antagonist and in-game singer of the song, GLaDOS. The song originated in a meeting between two Valve developers and Coulton about him ...