
You need to press that small red button as soon as possible. To the small red button, and put a portal on a wall close to you. Make a pellet come out of that portal, then quickly put a portal on the piece of wall sticking out that is close Now that the turrets are gone, you have to put a portal on the piece of wall that sticks outĪt the far side of the room that faces the small room and small red button to the left of the If you position yourself correctly, none of the turrets will be able to see you if you stand If you want, you can exit from the left of the panel. While the panel is pushed out, make a pellet shooter shoot a pellet at the various turrets until they are all disabled (thereĪre four). Be careful, though, because there are turrets here, and at least one of them can see Make the wall panel push out, giving access to the big room. Instead, go through the door and into the room with the small red button. Fall into that portal and you should have enough momentum to make it to the ledge with theĭon't bother with the red button just yet. Now make a portal on the lower piece of floor that you can see from theįour-dot ledge that you're standing on. Make a portal on the piece of wall that sticks out, then make a portal below your feet to fall onto that higher ledge with the four Finally, when you can see the four-dot tile, Next, shoot a portal onto the ceiling above the ledge with the three-dot tile on it. You should land on a piece of floor with a two-dot tile on it. Then make a portal of the other color on the face of the tall white wall, below the level that you're standing on, so you can fall through it. Look at the ceiling above it, and shoot a portal at the farthest part of the ceiling. There is a tall white wall that you can see. Shoot a portal on the ceiling over the floor across the pit, then use a wall portal to drop over to that side.

Test Chamber 13 - A very, VERY long time.Test Chamber 12 - Fling Yourself into Space.

Test Chamber 11 - The Orange Portal Gun.Test Chamber 10 - Something About Momentum.Test Chamber 07 - Do Not Taunt the High Energy Pellet.Test Chamber 06 - The High Energy Pellet.Test Chamber 04 - Reaching Far Off Places.Test Chamber 02 - Get the Blue Portal Gun.
