How many achievements does Portal 2 have?

Portal 2 has 51 Steam achievements.

What is the rarest achievement in Portal 2?

The rarest Portal 2 achievement is “Still Alive”, unlocked by 2.4% of players on Steam.

Portal 2/Achievements

Portal 2 achievements by rarity

Global completion percentages from Steam, rarest first

Achievements

Rarest

2.4%

Ultra rare (<5%)

Avg. completion

24%

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

2.4%

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course

2.6%

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

2.8%

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

3.0%

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

3.6%

Party of Three

Find the hidden companion cube in co-op test chamber

3.6%

Smash TV

Break 11 test chamber monitors

3.7%

Overclocker

Complete Test Chamber 10 in 70 seconds

4.0%

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list

4.5%

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them

4.6%

Final Transmission

Find the hidden signal in one of the Rat Man's dens

5.4%

Narbacular Drop

Place a portal under your co-op partner while they are gesturing

5.8%

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before

5.9%

You Made Your Point

Refuse to solve the first test in Chapter 8

6.5%

Four Ring Circus

Enter 4 different portals without touching the ground in co-op

6.8%

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

6.9%

Door Prize

Examine all the vitrified test chamber doors

7.2%

Pit Boss

Show that pit who's boss

7.9%

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

8.7%

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses

8.9%

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op

9.8%

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row

9.8%

Ship Overboard

Discover the missing experiment

11%

Portrait of a Lady

Find a hidden portrait

12%

You Saved Science

Complete all test chambers in all courses of co-op

21%

Preservation of Mass

Break the rules in Test Chamber 07

24%

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course

26%

Gesticul-8

Perform all 8 gestures of your own volition in co-op

27%

Good Listener

Take GLaDOS' escape advice

28%

Drop Box

Place a cube on a button without touching the cube

29%

No Hard Feelings

Save a turret from redemption

31%

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course

32%

Air Show

Perform 2 aerial gestures before touching the ground in co-op

33%

Lunacy

That just happened

34%

The Part Where He Kills You

This is that part

34%

Scanned Alone

Stand in a defective turret detector

35%

Tunnel of Funnel

Master the Excursion Funnel

35%

Dual Pit Experiment

Do the same test twice

37%

White Out

Complete the first Conversion Gel test

38%

Stranger Than Friction

Master the Propulsion Gel

39%

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course

41%

Tater Tote

Carry science forward

41%

Vertically Unchallenged

Master the Repulsion Gel

43%

Stalemate Associate

Press the button!

46%

SaBOTour

Make a break for it

47%

Team Building

Complete all test chambers in the Team Building co-op course

49%

Bridge Over Troubling Water

Complete the first Hard Light Bridge test

53%

High Five

Celebrate your cooperative calibration success

59%

Undiscouraged

Complete the first Thermal Discouragement Beam test

63%

You Monster

Reunite with GLaDOS

65%

Wake Up Call

Survive the manual override

74%

Percentages are Steam's global unlock rates across all players who own Portal 2, refreshed daily. See live player counts and stats for Portal 2.

Portal 2/Achievements

Portal 2 achievements by rarity

Global completion percentages from Steam, rarest first

Achievements

Rarest

2.4%

Ultra rare (<5%)

Avg. completion

24%

Still Alive

Complete Course 4 with neither you nor your co-op partner dying

2.4%

Talent Show

Never lose a cube in Chamber 6 of the Mobility Gels co-op course

2.6%

Portal Conservation Society

Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements

2.8%

Triple Crown

Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each

3.0%

Iron Grip

Never lose a cube in Chamber 6 of the Mass and Velocity co-op course

3.6%

Party of Three

Find the hidden companion cube in co-op test chamber

3.6%

Smash TV

Break 11 test chamber monitors

3.7%

Overclocker

Complete Test Chamber 10 in 70 seconds

4.0%

Friends List With Benefits

While playing co-op, hug 3 different people on your friends list

4.5%

Empty Gesture

Drop your co-op partner in goo while they are gesturing by removing the bridge under them

4.6%

Final Transmission

Find the hidden signal in one of the Rat Man's dens

5.4%

Narbacular Drop

Place a portal under your co-op partner while they are gesturing

5.8%

Professor Portal

After completing co-op, complete Calibration Course online with a friend who hasn’t played before

5.9%

You Made Your Point

Refuse to solve the first test in Chapter 8

6.5%

Four Ring Circus

Enter 4 different portals without touching the ground in co-op

6.8%

Schrodinger's Catch

Catch a blue-painted box before it touches the ground

6.9%

Door Prize

Examine all the vitrified test chamber doors

7.2%

Pit Boss

Show that pit who's boss

7.9%

Pturretdactyl

Use an Aerial Faith Plate to launch a turret

8.7%

Asking for Trouble

Taunt GLaDOS in front of a camera in each of the five co-op courses

8.9%

Can't Touch This

Dance in front of a turret blocked by a hard light bridge in co-op

9.8%

Rock Portal Scissors

Win 3 co-op games of rock-paper-scissors in a row

9.8%

Ship Overboard

Discover the missing experiment

11%

Portrait of a Lady

Find a hidden portrait

12%

You Saved Science

Complete all test chambers in all courses of co-op

21%

Preservation of Mass

Break the rules in Test Chamber 07

24%

Obstacle Building

Complete all test chambers in the Excursion Funnels co-op course

26%

Gesticul-8

Perform all 8 gestures of your own volition in co-op

27%

Good Listener

Take GLaDOS' escape advice

28%

Drop Box

Place a cube on a button without touching the cube

29%

No Hard Feelings

Save a turret from redemption

31%

Bridge Building

Complete all test chambers in the Hard-Light Surfaces co-op course

32%

Air Show

Perform 2 aerial gestures before touching the ground in co-op

33%

Lunacy

That just happened

34%

The Part Where He Kills You

This is that part

34%

Scanned Alone

Stand in a defective turret detector

35%

Tunnel of Funnel

Master the Excursion Funnel

35%

Dual Pit Experiment

Do the same test twice

37%

White Out

Complete the first Conversion Gel test

38%

Stranger Than Friction

Master the Propulsion Gel

39%

Confidence Building

Complete all test chambers in the Mass and Velocity co-op course

41%

Tater Tote

Carry science forward

41%

Vertically Unchallenged

Master the Repulsion Gel

43%

Stalemate Associate

Press the button!

46%

SaBOTour

Make a break for it

47%

Team Building

Complete all test chambers in the Team Building co-op course

49%

Bridge Over Troubling Water

Complete the first Hard Light Bridge test

53%

High Five

Celebrate your cooperative calibration success

59%

Undiscouraged

Complete the first Thermal Discouragement Beam test

63%

You Monster

Reunite with GLaDOS

65%

Wake Up Call

Survive the manual override

74%

Percentages are Steam's global unlock rates across all players who own Portal 2, refreshed daily. See live player counts and stats for Portal 2.