Portal 2

Successfully complete the game.

Complete the indicated task to unlock the corresponding item for purchase at the store.

Bionic Beanie: Complete "Lunacy".

WCC Flag: Complete "High Five".

While attempting to earn the "Ship Overboard" achievement or trophy, once you enter the door behind the filing cabinet there are three metal doors in the hallway. If you activate the doors. Cave Johnson talks about the tests. Activate all three doors and the achievement or trophy will be unlocked.

Go to Chamber 2, Test 06. Move through the aerial plates to the button, then press it. After the garbage disappears, keep the first portal on the platform and shoot the second one above the large red button. Press the button again and wait for the box to drop down.

Play Chapter 2 "Test Chamber 6". Get the radio that appears in a clump of garbage into a window above the chamber after you hit a button. Work your way back through the level and place a portal on the pad across from the window. Use the launchers to get through the portal and into the room past the window, with radio in hand. Take the radio up to the wall to earn the achievement or trophy.

Play Chapter 5 "The Escape" and reach the conveyor belts carrying droids to the incinerator. Use a portal to get onto the conveyor belt. Walk on the belt until a droid with a working laser beam appears. Pick it up to earn the achievement or trophy.

Play Chapter 9. After Wheatley's surprise, portal away from the platform just as Wheatley sends arms to crush you. Do not run away on the catwalk. Stay nearby and Wheatly will beg you to come back. Stand at the edge of the pit overlooking his trap. He will ask you to just jump in the pit. Jump in to earn the achievement or trophy.

• Play Chapter 2 "Test Chamber 7". Keep track of the Companion Cube in this chamber. You can return to get it at the end of the level after using it to depress the button. Ignore GLadOS's comments and carry the cube through the broken "Emancipation Grill" at the end of the chamber to earn the achievement or trophy.
• Progress through the chamber as usual until reaching the point of walking through the exit door. The disintegration field on the door is broken. Go through it and place a portal on the wall on the other side. Then, return to the main chamber and place another portal on another passable wall. Pick up the, walk through it, and go to the lift.

First, complete all six courses. Have the player who has not yet completed the calibration course invite a player who has completed the entire co-op campaign into a standard cooperative game. Play through and complete the calibration course.

Play Chapter 6 "The Fall" and reach the 1958 "28" room. There is a cube is trapped in a glass box and Blue Gel streaming out of a pipe in one corner in this room. Save the game. Shoot a portal under the Gel and over the crate to coat the cube. The cube will bounce until it breaks the glass. It will eventually break out of the glass. Catch this cube before it touches the ground to earn the achievement or trophy. Note: Try standing between the entrance and the gel spout.