 I went in expecting a slew of interesting portal-based puzzles and that's exactly what I got, but what I wasn't expecting was some of the funniest pitch black humor I've ever heard in a game".He felt the short length was ideal as it did not outstay its welcome.Writing for GameSetWatch in 2009, columnist Daniel Johnson pointed out similarities between "Portal" and Erving Goffman's essay on dramaturgy, "The Presentation of Self in Everyday Life", which equates one's persona to the front and backstage areas of a theater.