Place the cube on the red pad to unlock the door to the next area. Grab the cube that falls and take it with you through the portal. Go down into the pit and fire a blue portal. Now you need to backtrack through the orange portal and reach exit. Fire a blue portal to exit through the orange portal, take left and fire another blue portal just near the exit. Take right and head down the corridors until you find the next automatically generated orange portal. Fire a blue portal and exit through the orange portal. Move forward taking the stairs to get the blue portal gun. Move toward the portal gun stand, ground will break and you will end up in waters below. Finally, take the orange portal to reach the exit. Come back into the center and press place the last blue portal. Now, enter the orange portal and place the cube on the pad to unlock the door. Return to the middle and hit the left button which will allow you access to the red pad. Hit the switch on the right, enter the portal and grab the cube.

You need to hit switches to turn on blue portals since you still don’t have portal gun. Take the elevator to the first test chamber. Now, grab the cub that drops and place it on the red pad which will open the door to the next area. After following through the instructions when you get full control, move through the orange portal on your left and right through the door to the next passage. The tutorial that walks you through the basic controls of the game and takes you through the beginning areas of the original game. Portal 2 Walkthrough Chapter 1 – The Courtesy Call This guide will assist you in completing Portal 2 in its full glory with all the puzzles solved and challenges completed. If you have played the first game, you will have an idea of how twisting it can be to solve all those puzzles and complete all those challenges the game throws at you. Chell is awakened by one of GLaDOS’s personality cores, and inadvertently wakes GLaDOS GLaDOS is immediately displeased at Chell’s return and begins testing her again through numerous chambers as she rebuilds the dilapidated facility. In Portal 2 the player returns as Chell, having been in stasis for several hundred years while GLaDOS and the rest of the Aperture Science facility have fallen into disrepair. As you play through the game, you might struggle but this Portal 2 Walkthrough can be your perfect companion to help you. After the huge success of the original game, Valve has brought back Chell in Portal 2 in an extended experience compared to the first game. Portal 2 is the sequel to the critically acclaimed puzzle/action shooter Portal.

Portal 2 chapter 4 walkthrough