Obtaining Portal achievements
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Acquire the fully powered Aperture Science Handheld Portal Device.
How to obtain: Equip the Dual Handheld Portal Device in Test Chamber 11.
Do whatever it takes to survive.
How to obtain: Burn the Weighted Companion Cube in Test Chamber 17.
Make the correct party escort submission position decision.
How to obtain: Escape from the burning pit and carry onto the escape levels after The Final Test.
How to obtain: Defeat GLaDOS and beat the game.
Knock down a turret with another turret.
How to obtain: Pick up a Turret and knock over another one while holding it.
Fall 30,000 feet.
How to obtain: Once you have acquired the dual portal gun in Test Chamber 11, you must be in a test chamber where you can place Portals on both the ceiling and the floor. Place a portal above and below you, then jump in and wait for around 5 minutes.
Jump 300 feet.
How to obtain: Once you are in a long test chamber where you can place portals on the walls and the floor, place a portal on a wall, and place another below it on the floor, jump into the floor portal and keep placing portals on the floor while landing in them until you get the achievement.
Detach security cameras from the walls.
How to obtain: After you get the portal gun, detach every possible security camera from their walls by creating a portal behind the camera. To obtain the unique associated voice line, you must additionally wait for GLaDOS to not be talking before destroying each camera, but this is not required for the achievement itself.
How to obtain: This achievement was added on March 1, 2010, leading to the announcement of Portal 2. Every chamber has a radio and a specific place you must bring it to. Refer to a guide with every location to make this much easier. Obtaining this achievement on your first playthrough is impossible, since the radios only show up after you complete the game once.
Beat two Portal advanced maps.
How to obtain: Beat two of the Advanced Chambers. They can be found in the main menu. It is best to go through these in order. Not as hard as the challenge achievements, just be patient.
Beat four Portal advanced maps.
How to obtain: Beat four of the Advanced Chambers.
|Vanilla Crazy Cake
Beat all six Portal advanced maps.
How to obtain: Beat all six of the Advanced Chambers.
Earn bronze medals on all Portal challenges.
How to obtain: Finish all the challenges with at least a bronze rating. Bronze ratings are usually just the most efficient way to solve a chamber in their intended ways, so just watch your step and be patient.
Earn silver medals on all Portal challenges.
How to obtain: Finish all the challenges with at least a silver rating. Refer to Aperture Science; this achievement is not as strict but will still require patience and skill.
Earn gold medals on all Portal challenges.
Difficulty: Very Hard
How to obtain: Finish all the challenges with at least a gold rating. Follow guides religiously and don't be discouraged when you fail.