Cores and turrets of every stage, Wouldn't you like to escape this cage? Come to us and you'll be sure, You're not safe in Aperture. This is Aperture! This is Aperture! Test subjects die once they're in sight. This is Aperture, everybody hit the floor! Take a seat 'til the neurotoxin makes you die. It's not safe, we are sure- You're not safe in Aperture. I am the one that's keeping you alive, Because, y'know, it's bloody hard to survive! I am the one that wants to test, Maybe at the end I'll let you rest... This is Aperture! This is Aperture! Aperture! Aperture! Aperture! Aperture! You're not safe, in this place. All of us warn you of the big white face. You are safe, don't you struggle now- Don't you want your nice big cake? Down that corridor, run to the exit door, She is waiting there to grab and kill you! Run! This is Aperture! White and grey- And slightly blue. Want some cake? Well, none for you. Portal here, portal there, Throw a turrent in the air, Watch for the bullets that will graze your hair! Everybody run! Everybody run! You're not safe in Aperture! I'm the bot with the adorable face, Ready to shoot you in your place. I am the reject that gave you a scare. I am the voice that you hear in there. I am the head of this great place, And I just bought some rocks from space. This is Aperture! This is Aperture! Aperture! Aperture! Aperture! Aperture! Aperture! Aperture! Testing subjects usually die, Science isn't fun without cyanide: That's the drill, and you may die, As you're not safe in Aperture. You are safe, don't you struggle now, Don't you want your nice big cake? GLaDOS the giant may fill your room with neurotoxin! Shoot you with a rocket turret- turn you into burning mush! This is Aperture, everybody run! You better escape to a much safer place! Our dear Chell is master of the portal gun, Everybody help her in her flight! Now! This is Aperture! This is Aperture! Aperture! Aperture! Aperture! Aperture! You're not safe, in this place. All of us warn you of the big white face. La! La! La! La-la! La! La! La! La-la! La! La! La! La-la! La! La-la-la! La! Ohhhh!