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. April 19, 2011: Version 1.0 of the Portal 2 Game Guide completed.April 20, 2011: Version 1.1 now contains the final three chapters of the single player story.April 21, 2011: Version 1.2 adds in the first two sections of the multiplayer story.April 22, 2011: Version 1.3 has the third section of multiplayer.