It depends on your own experience of Portal 2. Did you enjoy the game? If you did then it is of course, worth playing the very first Portal Installment.
unless your playing minecraft portal mod and portal
Once in a while, Valve will have portal be free for a while.
Ok Portal still alive is bonus levels and there is a game called portal 2 already
it is already out.
How many people played portal 2
it took me about 9 hours, but i have played portal 1.
How many people played portal 2
commercial portal is a portal of commercials ....
Yes, the game can be played on Vista. I have a Vista and play Portal on it all the time. It works fine.
You cannot get a demo for Portal 2, and if there were it would be on Steam as Valve (the creators of Portal 2) distribute all their games there exclusively. However, if you haven't played the first Portal game I would recommend it, and if you like it you'll be sure to love Portal 2!
A portal is a hole. A portal exit is where you exit out of the hole. A portal entrance is where you enter into the hole.
two types: "normal" via the hepatic artery and "portal" via the portal vein outflow is directly to the inferior vena-cava. "PORTAL" describes the flow of blood that has already bathed the intestines from the mesinteric artery