Wait for Portal 2.
Yes. Go to Multiplayer and choose "Splitscreen"
It is both types of game, now with multiplayer dlc
There are two modes: one single player and the other is multiplayer. So yes, it is.
Yes, garry's mod will work with portal and you will have all the HL2 stuff.
only in multiplayer the robots are named p-bot and atlas
In Call of Duty: Black Ops, to go on multiplayer you have to go to multiplayer on the menu that says: CAMPAIGN MULTIPLAYER ZOMBIES OPTIONS
First you start Minecraft, then you go on "multiplayer" and type in an ip !
i think your talking about orbis. first u go to orbis and then u go bottom right. which then u see a middle portal and a bottom portal. go in the middle portal and go to the top right portal
U go to multiplayer if no multiplayer u beat
if you want to goto portal, just type: /join portal in your chat bar and you will go there
Charles Portal went by Peter.
If you are going through the portal as its closing you will either go back out through where you entered or out the other portal other wise no.