Take the elevator down to the first level of testing. Here, grab the cub that drops and place it on the red pad, which will open the door to the next area. Move through the orange portal on your left and then right through the door to the next passage.
Once gaining full control, you will still be missing a portal gun however the system will automatically form portals for you.
Listen to the Announcer and Wheatley's instructions to get through the first movement tutorial.
This first chapter will introduce you to the basic controls of the game and return you to the beginning areas of the original Portal. It currently features a walkthrough for the first six chapters along with Achievements and Trophies.
Xbox 360 Achievements: Boost your Gamerscore with a huge list of Achievements.Multiplayer Tips: Strategies for completing co-op.Walkthrough: A walkthrough of the game's story.
