Later, the demo shifts to a point in the game where players are introduced to another new character: Cave Johnson. Johnson--unlike any other character in the series--is an actual person; however, his appearance is just another voice within the complex at Aperture. Johnson, voiced by J.K. Simmons (Spider-Man), is the founder and president of Aperture Laboratories. His interaction works similar to that of GLaDOS from the original title, putting Chell through a range of tests. In the gameplay I saw, Johnson introduces Chell to one of Portal 2's new mechanics: the repulsion gel--a blue substance and repels the quiet character when she comes into contact with it. "You get the gel," Johnson's voice-over tells Chell, referring to a deep pit covered in the blue sludge. "The last sonuva gun got blue paint!" he laughs. "All joking aside, that did happen. Broke both his legs." There are dozens of moments included in the demo that I haven't mentioned. As you can gather from this preview, the focus at PAX East 2011 wasn't gameplay but the characters. One Valve rep labeled it as a sequence of "character moments." There may be fear that Portal 2's story cannot hit the same mark it did when the original game launched in 2007. The original game's story and dialog was a genuine surprise. At least from what I've now seen, Portal 2 is attacking from the same humorous plateau. It looks and sounds great. Now, let's just get it on store shelves to confirm the entire package is a worthy successor to the original smash hit. Portal 2 launches for the PC, Mac, PS3, and Xbox 360 on April 19.
Puzzles are far more intricate in Portal 2.