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, rarest first.

Every achievement in Portal 2, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.

Live player count and stats

The rarest achievement

Still Alive

2.4%

of players

Achievements: 51
Rarest: 2.4%
Ultra rare (under 5%): 10
Average 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%

Party of Three

Find the hidden companion cube in co-op test chamber

3.5%

Iron Grip

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

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%

Tater Tote

Carry science forward

41%

Confidence Building

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

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. Under 5% is marked in the lit blue.

Portal 2 achievements, rarest first.

Every achievement in Portal 2, ranked by how many Steam players have unlocked it. Global completion rates from Steam, refreshed daily.

Live player count and stats

The rarest achievement

Still Alive

2.4%

of players

Achievements: 51
Rarest: 2.4%
Ultra rare (under 5%): 10
Average 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%

Party of Three

Find the hidden companion cube in co-op test chamber

3.5%

Iron Grip

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

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%

Tater Tote

Carry science forward

41%

Confidence Building

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

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. Under 5% is marked in the lit blue.