Portal 2 achievement guide

How to unlock every achievement, which ones you can miss, and the best order to get them all. Tick them off as you go.

15-25 hours

Time to 100%

4/10

Difficulty

1 single-player, 1 co-op campaign (plus Chapter Select clean-up)

Playthroughs

Missable achievements

4 cumulative22 online

Recommended order

Step 1

Complete the single-player campaign from the Aperture Science Facility through Old Aperture and Wheatley's Testing Chambers to Wheatley's Boss Arena while working on stage-specific miscellaneous achievements.
Step 2

Use chapter select to clean up any missed single-player achievements across all four main areas.
Step 3

Complete the cooperative campaign alongside a partner, solving all test courses without losing any portals where required.
Step 4

Complete remaining co-op miscellaneous tasks, gesture interactions, and cross-play/hug challenges to unlock the final achievements.

All achievements 0/51

Scanned Alone Missable 34.7% of players Stand in a defective turret detector In Chapter 5, step into the scanning beam in the turret redemption line where the template turret normally sits.

No Hard Feelings Missable 31% of players Save a turret from redemption In Chapter 5, catch and carry the non-defective turret riding along the turret redemption conveyor belt.

Drop Box Missable 28.9% of players Place a cube on a button without touching the cube In Test Chamber 06 of Chapter 2, press the button to drop a cube and redirect it with portals directly onto the floor switch without picking it up.

Good Listener Missable 28.4% of players Take GLaDOS' escape advice In Chapter 4 during your escape, follow GLaDOS's instructions to return to the test chamber instead of escaping with Wheatley.

Wake Up Call 74.1% of players Survive the manual override Progress through Chapter 1; it unlocks automatically after your relaxation chamber crashes into the main facility.

You Monster 64.7% of players Reunite with GLaDOS Progress the story into GLaDOS's chamber in Chapter 1 where Wheatley accidentally reactivates her.

Undiscouraged 62.7% of players Complete the first Thermal Discouragement Beam test Complete Test Chamber 01 in Chapter 2, which introduces the Thermal Discouragement Beam.

High Five Online 58.5% of players Celebrate your cooperative calibration success Complete the cooperative calibration course at the very beginning of Co-op mode.

Bridge Over Troubling Water 53.3% of players Complete the first Hard Light Bridge test Complete Test Chamber 11 in Chapter 3, which introduces the Hard Light Bridge.

Team Building Online 49.4% of players Complete all test chambers in the Team Building co-op course Complete all six test chambers in Course 1 of the cooperative campaign.

SaBOTour 46.5% of players Make a break for it Progress through Chapter 4 and escape GLaDOS's testing track with Wheatley.

Stalemate Associate 45.5% of players Press the button! Press the Stalemate Resolution Button at the end of Chapter 5 to initiate the core transfer.

Vertically Unchallenged 42.9% of players Master the Repulsion Gel Complete the testing tracks in Chapter 6 that require the use of blue Repulsion Gel.

Tater Tote 41% of players Carry science forward Progress through Chapter 6 and stab GLaDOS onto your portal gun as a potato battery.

Confidence Building Online 40.9% of players Complete all test chambers in the Mass and Velocity co-op course Complete all eight test chambers in Course 2 of the cooperative campaign.

Stranger Than Friction 39.4% of players Master the Propulsion Gel Complete the testing chambers in Chapter 7 that require the use of orange Propulsion Gel.

White Out 38.3% of players Complete the first Conversion Gel test Complete the first test chamber in Chapter 7 that introduces the white Conversion Gel.

Dual Pit Experiment 37% of players Do the same test twice Complete Test Chamber 01 in Chapter 8, which is Wheatley's modified version of GLaDOS's earlier test.

Tunnel of Funnel 35.1% of players Master the Excursion Funnel Master the Excursion Funnels by completing Test Chamber 15 in Chapter 8.

The Part Where He Kills You 34.4% of players This is that part Survive Wheatley's ambush trap at the start of Chapter 9.

Lunacy 34.1% of players That just happened Shoot a portal at the Moon during the final boss battle against Wheatley.

Air Show Online 33.2% of players Perform 2 aerial gestures before touching the ground in co-op While airborne in co-op mode, use the gesture menu to trigger two different gestures before landing.

Bridge Building Online 32% of players Complete all test chambers in the Hard-Light Surfaces co-op course Complete all eight test chambers in Course 3 of the cooperative campaign.

Gesticul-8 Online 27.1% of players Perform all 8 gestures of your own volition in co-op Unlock all 8 co-op gestures by progressing through the co-op campaign and perform each one at least once.

Obstacle Building Online 26.3% of players Complete all test chambers in the Excursion Funnels co-op course Complete all nine test chambers in Course 4 of the cooperative campaign.

Preservation of Mass 24.4% of players Break the rules in Test Chamber 07 Carry the Companion Cube out of Test Chamber 07 and bring it with you past the emancipation grill into the maintenance room.

You Saved Science Online 21.2% of players Complete all test chambers in all courses of co-op Complete every test chamber across all five standard courses in co-op mode.

Portrait of a Lady 11.6% of players Find a hidden portrait In Chapter 7, enter the hidden room behind a locked gate near the entrance of the 1970s area and look at the portrait of Cave Johnson and Caroline.

Ship Overboard 10.7% of players Discover the missing experiment In Chapter 6, locate and pass through a hidden door near a catwalk in the 1950s area to discover an empty dry dock labeled Borealis.

Can't Touch This Online 9.8% of players Dance in front of a turret blocked by a hard light bridge in co-op Perform any gesture while standing right in front of a live turret that is safely blocked by a hard light bridge in co-op mode.

Rock Portal Scissors Cumulative Online 9.8% of players Win 3 co-op games of rock-paper-scissors in a row Use the rock-paper-scissors gesture with your partner and win three rounds consecutively.

Asking for Trouble Online 8.9% of players Taunt GLaDOS in front of a camera in each of the five co-op courses Perform any gesture directly in front of a security camera in at least one chamber of each of the five co-op courses.

Pturretdactyl 8.7% of players Use an Aerial Faith Plate to launch a turret In Chapter 2, Test Chamber 06, pick up a broken turret from the trash pile and drop it onto an Aerial Faith Plate.

Pit Boss 7.9% of players Show that pit who's boss At the start of Chapter 9, jump down into the bottomless pit after Wheatley asks you to jump into it.

Door Prize 7.2% of players Examine all the vitrified test chamber doors In Chapter 6, interact with all six sealed vitrified test chamber doors hidden throughout the 1950s and 1970s facilities.

Schrodinger's Catch 6.9% of players Catch a blue-painted box before it touches the ground In Chapter 6, break the glass to coat a box in blue Bounce Gel, then catch it in midair before it bounces off the floor.

Four Ring Circus Online 6.8% of players Enter 4 different portals without touching the ground in co-op Chain four portals together and fall through all four of them in continuous succession without touching the floor in co-op.

You Made Your Point 6.5% of players Refuse to solve the first test in Chapter 8 At the start of Test Chamber 01 in Chapter 8, stand completely still on the button and refuse to solve the puzzle until Wheatley speaks.

Professor Portal Online 5.9% of players After completing co-op, complete Calibration Course online with a friend who hasn’t played before Finish the entire co-op campaign, then invite and complete the Calibration Course with a friend who has never played co-op before.

Narbacular Drop Online 5.8% of players Place a portal under your co-op partner while they are gesturing Fire a portal directly beneath your co-op partner while they are in the middle of performing a gesture.

Final Transmission 5.4% of players Find the hidden signal in one of the Rat Man's dens In Chapter 2, Test Chamber 06, grab the radio from the junk pile and carry it into the hidden Rat Man den to receive the signal.

Empty Gesture Online 4.6% of players Drop your co-op partner in goo while they are gesturing by removing the bridge under them Have your co-op partner stand on a hard light bridge performing a gesture, then move your portal to drop them into toxic water.

Friends List With Benefits Online 4.5% of players While playing co-op, hug 3 different people on your friends list Use the hug gesture on three different players from your Steam friends list while playing co-op.

Overclocker Cumulative 4% of players Complete Test Chamber 10 in 70 seconds Complete Test Chamber 10 in Chapter 2 in 70 seconds or less.

Smash TV 3.7% of players Break 11 test chamber monitors Destroy 11 of the large television screens displaying Wheatley's face across his test chambers in Chapter 8.

Iron Grip Online 3.6% of players Never lose a cube in Chamber 6 of the Mass and Velocity co-op course Solve Chamber 6 of Course 2 (Mass and Velocity) in co-op without letting any cube fall into the hazard or be destroyed.

Party of Three Online 3.6% of players Find the hidden companion cube in co-op test chamber In Chamber 9 of Course 2 (Mass and Velocity), open the hidden door using the Aerial Faith Plates to find the Companion Cube.

Triple Crown Online 3% of players Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each Complete any three test chambers within Course 2 (Mass and Velocity) in under 60 seconds each.

Portal Conservation Society Cumulative Online 2.8% of players Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements Complete Chamber 3 of Course 3 (Hard-Light Surfaces) using a combined total of five or fewer portals between both players.

Talent Show Online 2.7% of players Never lose a cube in Chamber 6 of the Mobility Gels co-op course Complete Chamber 6 of Course 5 (Mobility Gels) in co-op without ever losing or destroying a single cube.

Still Alive Cumulative Online 2.4% of players Complete Course 4 with neither you nor your co-op partner dying Complete all chambers in Co-op Course 4 (Excursion Funnels) from start to finish without either player dying. If a player dies, you must restart the entire course to attempt it again.

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