Obtaining Portal 2 achievements
| Wake Up Call|
Survive the manual override
How to obtain: To achieve this achievement you simply need to enter the old testing track after waiting for Wheatley to crash through the Docking Station wall. You should then be able to receive the achievement automatically.
| You Monster|
Reunite with GLaDOS
How to obtain: This achievement will be obtained as soon as you wake up GLaDOS during the first chapter of the game.
Complete the first Thermal Discouragement Beam test
How to obtain: As your first test of the second chapter, you will be treated to a simple puzzle involving Thermal Discouragement Beams. Complete this test and you'll be awarded with the achievement.
| Drop Box|
Place a cube on a button without touching the cube
How to obtain: In Test Chamber 06 of Chapter 2, stand at the switch and place one portal on the right-hand sloped surface. Place the other portal on the panel above the button and press the switch twice. Alternatively, press the switch in Wheatley's very first test chamber.
| Bridge Over Troubling Water|
Complete the first Hard Light Bridge test
How to obtain: During the third chapter, Test Chamber 12 will introduce the new Hard Light Bridge. Similar to the Undiscouraged achievement, you will need to complete this introductory chamber to obtain the achievement.
Make a break for it
How to obtain: Half way throughout Test Chamber 21 you will be interrupted by Wheatley, who will offer you an escape route. The achievement will be obtained as soon as you begin your escape.
| Stalemate Associate|
Press the button!
How to obtain: Upon facing GLaDOS for the second time, you will be asked to place Wheatley in an Aperture Science Core Transfer Receptacle. After a disagreement between Wheatley and GLaDOS on whether the process should go ahead, you will be asked as a Stalemate Associate to press the Stalemate Associate Button. Doing so will reward you the achievement.
| Tater Tote|
Carry science forward
How to obtain: Near the end of Chapter 6 you will reunite with GLaDOS in her potato form. Simply pick her up to receive the achievement.
| Vertically Unchallenged|
Master the Repulsion Gel
How to obtain: This achievement will be awarded after a series of Repulsion Gel based tests during Chapter 6.
| Stranger Than Friction|
Master the Propulsion Gel
How to obtain: Identical to how Vertically Unchallenged worked, you will need to complete a series of Propulsion Gel based tests during Chapter 7.
| White Out|
Complete the first Conversion Gel test
How to obtain: Complete the first Conversion Gel test.
| Dual Pit Experiment|
Do the same test twice
How to obtain: Complete Wheatley's very first test chamber twice.
| Tunnel of Funnel|
Master the Excursion Funnel
How to obtain: Complete Chapter 8 Test Chamber 15.
| The Part Where He Kills You|
This is that part
How to obtain: When you meet up to Wheatley you may notice a small white area to his left. Fire a portal at that area. You will soon see white gel pouring from the ceiling. When it lands, fire an alternate portal and wait for white paint to splash on you. At your feet, fire the same portal you used on the white gel.
That just happened
How to obtain: Complete the Single-player campaign.
| High Five|
Celebrate your cooperative calibration success
How to obtain: Simply complete the calibration course in co-op to get this achievement.
| Team Building|
Complete all test chambers in the Team Building co-op course
How to obtain: Finish all 6 stages in course 1 of co-op mode.
| Confidence Building|
Complete all test chambers in the Mass and Velocity co-op course
How to obtain: Finish all 8 stages in course 2 of co-op mode.
| Bridge Building|
Complete all test chambers in the Hard-Light Surfaces co-op course
How to obtain: Finish all 8 stages in course 3 of co-op mode.
| Obstacle Building|
Complete all test chambers in the Excursion Funnels co-op course
How to obtain: Finish all 9 stages in course 4 of co-op mode.
| You Saved Science|
Complete all test chambers in all courses of co-op
How to obtain: Complete the Co-op campaign.
| Preservation of Mass|
Break the rules in Test Chamber 07
How to obtain: To obtain this achievement you will need to bring the Companion Cube with you through Test Chamber 7's exit door. To do this you must solve the chamber as you normally would, but as you reach the exit you will need to place a portal on the other side of the door and place another Portal on any other accessible ground. Pick up your cube from the Super Button and use your accessible Portal to reach the other side of the door. This will grant you the achievement.
Use an Aerial Faith Plate to launch a turret
How to obtain: In Chapter 3, Test Chamber 15, place a turret on an Aerial Faith Plate. This may also be done in Chapter 2, Test Chamber 06 where a turret is sent out as garbage.
| Good Listener|
Take GLaDOS' escape advice
How to obtain: As you escape, GLaDOS invites you to enter the final test chamber. She's even solved it for you. Do it.
| No Hard Feelings|
Save a turret from redemption
How to obtain: During your escape, walk along two Turret Redemption Lines. On the second one is a mostly-intact turret, signposted by its laser. Pick it up.
| Scanned Alone|
Stand in a defective turret detector
How to obtain: In Chapter 5, remove the master turret from the template scanner in the turret factory control room, and then step into the scanner. The achievement's icon is misleading, you do not need to stand in front of a defective turret to obtain it.
| Ship Overboard|
Discover the missing experiment
How to obtain: At the start of 1970s Aperture, go to the top catwalk. Follow it to the room, and jump on the furniture in the corner to get to the doors. Step outside to receive the achievement.
| Portrait of a Lady|
Find a hidden portrait
How to obtain: Immediately after Enrichment Sphere 4 in Chapter 7 is a closed gate, a portalable panel, and an Emancipation Grill that leads directly into Enrichment Sphere 5. Portal over to a second portalable panel beyond the gate, and enter the office to find the portrait.
| You Made Your Point|
Refuse to solve the first test in Chapter 8
How to obtain: Enter Wheatley's very first test chamber (with the "moat area"), but don't press the switch and don't step on the button. Note that this is the first time you enter the chamber, not when Wheatley sends you through a second time.
| Pit Boss|
Show that pit who's boss
How to obtain: At the start of Chapter 9, when Wheatley asks you to come back, go back. Then do as he says.
| Rock Portal Scissors|
Win 3 co-op games of rock-paper-scissors in a row
How to obtain: After unlocking the Rock Paper Scissors Gesture, just keep on using the gesture with your partner over and over again until you get the achievement.
| Air Show|
Perform 2 aerial gestures before touching the ground in co-op
How to obtain: During a long jump, gesture twice before you hit the ground. Alternatively, create an infinite fall by placing a portal on the ceiling and one on the ground beneath it or do the gestures in an reversible Excursion Funnel.
| Asking for Trouble|
Taunt GLaDOS in front of a camera in each of the five co-op courses
How to obtain: In each of the co-op courses, find a room with a camera and perform a gesture toward it. This does not need to be completed in one session.
| Four Ring Circus|
Enter 4 different portals without touching the ground in co-op
How to obtain: Course 1, your friend needs to place portals next to eachother on the floor, which is under a ceiling where you can place your portal. Shoot a portal next to your friends portals and the other one on the ceiling facing one of your friends portals. Fall through your portal and when you go through one of your friends portals, you'll be facing the ceiling again. Then you must shoot the portal on the ceiling to the place where you are about to go. Then wait for a while as you are falling through the portals and the achievement will appear. Alternatively. in Hub, let your friend place portals next to eachother on the 2 by 2 floor. Go through friend's portals and keep poping to friend's portals. While you are in mid-air, places portals where friend's portals placed on. Can also be done using a reversible Excursion Funnel, just like Air Show.
| Narbacular Drop|
Place a portal under your co-op partner while they are gesturing
How to obtain: Self-explanatory.
| Empty Gesture|
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
How to obtain: Self-explanatory. Do this in a level with Hard Light Bridges. Usage of the timer is recommended.
| Can't Touch This|
Dance in front of a turret blocked by a hard light bridge in co-op
How to obtain: Course 3, floor 6 of co-op is one place to get this achievement. Use the dance gesture while being protected from turrets by a hard light bridge.
Perform all 8 gestures of your own volition in co-op
How to obtain: Once you get all the gestures, just perform them.
| Friends List With Benefits|
While playing co-op, hug 3 different people on your friends list
How to obtain: Self-explanatory.
| Party of Three|
Find the hidden companion cube in co-op test chamber
How to obtain: In the final area of the excursion funnel section of co-op mode, you will be outside the official testing track. In one of the many times you and your partner are floating through a funnel, if you look straight to your left, (on the same wall where your partner shoots Hard Light Bridges) you will see a portal conductive surface that you would not normally pay attention to. Shoot a portal there so that the funnel is coming out of it and you float through the funnel. If you look to your left you will see a companion cube behind doors that will open. You will then hit a spike wall and die, so don't try this while attempting Still Alive.
| Final Transmission|
Find the hidden signal in one of the Rat Man's dens
How to obtain: When at the switch near the exit of Chapter 2 Test Chamber 6, hit the switch and wait for all the trash to fall. Retrieve the radio from wherever it landed and go back to the switch. On the left wall at the opposite end of the chamber, there will be a portal-able surface; remember where this is. Portal back to the start of the chamber with the radio. Place a portal on the portalable-surface mentioned earlier and the other portal on the portalable surface the Aerial Faith Plates will throw you into, jump on the Aerial Faith Plates, and you will fly into one of Rattman's Dens—taking the radio in here will get you this achievement. This achievement is a direct follow-up to the Transmission Received achievement from the first game.
| Door Prize|
Examine all the vitrified test chamber doors
How to obtain: There are three sets of three vitrified doors in Chapter 6. The first set is on the upper catwalk in the lake area, immediately after the hatch. The second set is on a catwalk opposite the entrance to Pump Station Alpha; exit the lift and turn to the seven-o'-clock position. The third set is in the room above the control room where you find potato GLaDOS. Walk into the room from the top catwalk. Jump on the furniture in the back-left corner and go through the doors.
| Schrodinger's Catch|
Catch a blue-painted box before it touches the ground
How to obtain: On Chapter 6, Enrichment Sphere 3 save the game before dropping Repulsion Gel on the cube. Release the gel and try and catch the cube; if it hits the ground, load the earlier save. An alternate method of obtaining this achievement is to drop a little bit of Repulsion Gel on the cube, and then before it breaks out of the glass, drop water on it to stop the bouncing. Simply walk up to the cube and pick it up without touching the ground to get the achievement.
| Triple Crown|
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
How to obtain: For this achievement you need to complete 3 of the 8 stages of the Course 2 in under 60 seconds. You do not need to do them in a row or in any specific order. Stages 1, 2 and 4 are very easy to complete within that time. Make a plan with your partner on who does what on the stages and practice the stages you and your partner find easy. Then make your attempt on the achievement.
| Iron Grip|
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
How to obtain: In the area within this test that gives this achievement its difficulty, timing is everything. Make sure you and your partner know what you're doing before attempting this. If you lose one box, have the host type
| Talent Show|
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
How to obtain: Self-explanatory, but make sure you and your partner know what you're doing. If you mess up, have the host (Atlas) reload the map by typing
Complete Test Chamber 10 in 70 seconds
How to obtain: Self-explanatory. Keep practicing the puzzle until you are confident at the sequence of puzzle elements and how to maneuver quickly to each one.
| Smash TV|
Break 11 test chamber monitors
How to obtain: In these test chambers, Wheatley's TV monitors are able to be smashed in the following ways: (this must be done in one run.)
| Portal Conservation Society|
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
How to obtain: This achievement takes place on Portal 2 Co-op Course 3 Chamber 3, and is possible to obtain with only one set of portals. Place one portal at the receiving end of the Hard Light Bridge, then place the other portal on a nearby wall. Enter the portal on the wall and walk over to the bridge emitter. Move on the emitter so that you can see the white surface of the overhead panels, then fire a portal so that the Hard Light Bridge runs under the Vital Apparatus Vent. Press the button in the center of the wall by the Light Bridge and have your partner catch the ball that drops out of the vent. Place the ball on the receptacle and proceed into the next part of the chamber. Fire a portal at the receiving end of the Hard Light Bridge, then line up the second portal on the ceiling so that using the Aerial Faith Plate bounces you off the vertical light bridge and into the exit area.
| Still Alive|
Complete Course 4 with neither you nor your co-op partner dying
Difficulty: Very Hard
How to obtain: Get through the excursion funnels course in one run... with no deaths. Watch out for test chambers:
Practice on all of these stages! That cannot be stressed enough! If you mess up, you can save a little bit of time by having the host type
| Professor Portal|
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
How to obtain: Find random partners online, and immediately leave the game if you do not see the opening film. when you find a beginner, exit the game, friend them, and invite them. This will take a long time depending on how lucky you are. Alternatively, this achievement can be very easy if you already have friends on Steam who have Portal 2, but haven't done co-op mode yet.