Portal, released in 2007, was a surprise for the gaming industry. Portal was initially sold as part of The Orange Box, a package of five games whose main appeal was Half Life 2: Episode 2. When Portal’s popularity and appeal hit large levels, naturally a stand-alone sequel was announced for the Xbox 360, PlayStation 3 and PC: Portal 2. A first person shooter featuring only one gun, Portal 2 is more of a puzzle game than an action game, like its predecessor. This is due to the fact that the one gun in the game is the portal gun: a gun that creates interlinking portals allowing you to teleport from one place to another. While this concept is very similar to the first game, where Portal 2 shines is in the new ideas it brings to the franchise. Where the original Portal was only two hours long at best, Portal 2 is stated to be four times the length, clocking in at around eight to nine hours for the average gamer. In that time span, Portal 2 does much more than the original Portal; while there is still an emphasis on puzzle-like gameplay, Portal 2 adds new environments, new plot information and new characters such as Wheatley, a small robot who is very much the opposite of the antagonist, GlaDOS. As fans had hoped, GlaDOS does return in Portal 2, voiced by the talented Ellen McLain. The dialogue that personified her returns as well, with many memorable lines and scenes revolving around GlaDOS and her personality. Single player isn’t the only time you’ll face off against GlaDOS in Portal 2; the game now features co-operative play for two players either through split-screen or online. The co-operative mode is completely separate from the main campaign, offering another four to five hours of unique gameplay. Portal 2, releasing on April 19th, 2011, is a game that is able to be enjoyed by gamers of all types; while its first person viewpoint may initially put some players off, its puzzles and humor are worth playing Portal 2 at least once.