Portals may serve a variety of purposes, depending on the world/series/game in which they exist. Often portals are used to travel quickly from one world/place to another. Sometimes portals also enable time travel.
To be able to shoot the blue portal gun, you must aquire it. To do so, goto testchamber 2 and, you will find the portal gun. Simply reach it, by steping through the portal it shoots, and then grab...
no, portal, (unlike its newer, more interactive counterpart) is not as good as portal 2, portal only has solving much more difficult tests, and, although they are funny, a few comments by GLaDOS,...
A portal is a quick, very quick, way to get from where you are to one of the capital cities or Shat/Dalaran. Only mages can make portals and they require a Rune of Portals to use. Druids can use the...