six different coursesCooperative Campaign. The co-op campaign is set after the events of Portal 2's single player campaign. In it, the two testing androids ATLAS and P-body of the Cooperative Testing Initiative carry out a series of tests in six different courses, each consisting of about eight or nine chambers.
0:042:36Portal 2 Co-Op Walkthrough - [ Course 2 - Level 5 ] - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo then when I jump I go through that wall my portal isn't canceled I want to change this yellow oneMoreSo then when I jump I go through that wall my portal isn't canceled I want to change this yellow one right here. So then they kick jump through and make it to that end wall over there.
The Cooperative Testing Initiative, or simply co-op, is a multi-player gamemode and campaign in Portal 2 whereby two players can join up and take part in test courses built specifically for cooperative testing.
Finishing all of the levels in a category will unlock the next one. So in your case, if you finish all of the levels under Mass and Velocity, you will unlock Hard-Light Surfaces. Show activity on this post. You need to complete the levels in standard co-op before it will unlock them in challenge mode co-op.
Finally, here's the cold hard truth: Valve doesn't need to make Portal 3 because the fans are keeping the franchise alive without them.
The game has 9 chapters total.
Gender-wise, the robots have their own genders, as stated by Chet Faliszek in an interview (ATLAS as male, P-body as female). Each robot has its own Aperture Science Handheld Portal Device that bears the color of its user (blue for ATLAS, orange for P-body), as two lines running along the barrel.
Genetic Lifeform and Disk Operating SystemGLaDOS (Genetic Lifeform and Disk Operating System) is a fictional artificially superintelligent computer system from the video game series Portal. GLaDOS later appeared in The Lab and Lego Dimensions. The character was created by Erik Wolpaw and Kim Swift and voiced by Ellen McLain.
Work on GLaDOS started in 1986, and was under development for more than ten years before she was finally completed several years after 1996. GLaDOS was activated for the first time, untested, during one of the events on Aperture Science's first annual "bring-your-daughter-to-work" day.
Portal's saves are stored locally, in C:\Program Files (x86)\Steam\steamapps\common\portal 2\portal2\SAVE . If you find a completed save file, you can copy it into that directory and load it. This will unlock everything.
five hoursThe single-player game can take six to 10 hours to play, and the co-op campaign is at least five hours long. This standalone campaign stars a duo of robots called Atlas and P-Body who have to work together to solve all the puzzles, each with his own Portal gun.
"The game's two-player co-operative mode features its own entirely separate campaign with a unique story, test chambers, and two new player characters," it said. "This new mode forces players to reconsider everything they thought they knew about portals.