Portal 2
The "Perpetual Testing Initiative" has been expanded to allow you to design co-op puzzles for you and your friends!
Crafty 25
Online
37% 13 hPlayed
Last played
19 / 51Achievementslatest 31 days ago
Jul 2023First achievement
10 hon Windows
3 hon Linux
3 hon Steam Deck
DeveloperValve
PublisherValve
Released19 Apr 2011
Price
£8.19
ReviewsOverwhelmingly Positive (98% of 391,937)
Steam DeckVerified
Playing now1,910
Achievements 19 of 51 unlocked
Wake Up Call
Survive the manual override
74% of players · Common
You Monster
Reunite with GLaDOS
65% of players · Common
Undiscouraged
Complete the first Thermal Discouragement Beam test
63% of players · Common
Bridge Over Troubling Water
Complete the first Hard Light Bridge test
53% of players · Common
SaBOTour
Make a break for it
47% of players · Uncommon
Stalemate Associate
Press the button!
46% of players · Uncommon
Tater Tote
Carry science forward
41% of players · Uncommon
Vertically Unchallenged
Master the Repulsion Gel
43% of players · Uncommon
Stranger Than Friction
Master the Propulsion Gel
39% of players · Uncommon
White Out
Complete the first Conversion Gel test
38% of players · Uncommon
Tunnel of Funnel
Master the Excursion Funnel
35% of players · Uncommon
Dual Pit Experiment
Do the same test twice
37% of players · Uncommon
The Part Where He Kills You
This is that part
34% of players · Uncommon
Locked
Lunacy
That just happened
34% of players · Uncommon
Locked
Drop Box
Place a cube on a button without touching the cube
29% of players · Uncommon
Locked
Overclocker
Complete Test Chamber 10 in 70 seconds
4% of players · Very rare
Locked
Pit Boss
Show that pit who's boss
7.9% of players · Rare
Locked
Preservation of Mass
Break the rules in Test Chamber 07
24% of players · Uncommon
Pturretdactyl
Use an Aerial Faith Plate to launch a turret
8.7% of players · Rare
Locked
Final Transmission
Find the hidden signal in one of the Rat Man's dens
5.4% of players · Rare
Locked
Good Listener
Take GLaDOS' escape advice
28% of players · Uncommon
Locked
Scanned Alone
Stand in a defective turret detector
35% of players · Uncommon
No Hard Feelings
Save a turret from redemption
31% of players · Uncommon
Schrodinger's Catch
Catch a blue-painted box before it touches the ground
6.9% of players · Rare
Locked
Ship Overboard
Discover the missing experiment
11% of players · Rare
Door Prize
Examine all the vitrified test chamber doors
7.2% of players · Rare
Locked
Portrait of a Lady
Find a hidden portrait
12% of players · Rare
Locked
You Made Your Point
Refuse to solve the first test in Chapter 8
6.5% of players · Rare
Locked
Smash TV
Break 11 test chamber monitors
3.7% of players · Very rare
Locked
High Five
Celebrate your cooperative calibration success
59% of players · Common
Team Building
Complete all test chambers in the Team Building co-op course
49% of players · Uncommon
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course
41% of players · Uncommon
Locked
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course
32% of players · Uncommon
Locked
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course
26% of players · Uncommon
Locked
You Saved Science
Complete all test chambers in all courses of co-op
21% of players · Uncommon
Locked
Iron Grip
Never lose a cube in Chamber 6 of the Mass and Velocity co-op course
3.6% of players · Very rare
Locked
Gesticul-8
Perform all 8 gestures of your own volition in co-op
27% of players · Uncommon
Locked
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op
9.8% of players · Rare
Locked
Empty Gesture
Drop your co-op partner in goo while they are gesturing by removing the bridge under them
4.6% of players · Very rare
Locked
Party of Three
Find the hidden companion cube in co-op test chamber
3.5% of players · Very rare
Locked
Narbacular Drop
Place a portal under your co-op partner while they are gesturing
5.8% of players · Rare
Locked
Professor Portal
After completing co-op, complete Calibration Course online with a friend who hasn’t played before
5.9% of players · Rare
Locked
Air Show
Perform 2 aerial gestures before touching the ground in co-op
33% of players · Uncommon
Portal Conservation Society
Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements
2.8% of players · Very rare
Locked
Four Ring Circus
Enter 4 different portals without touching the ground in co-op
6.8% of players · Rare
Locked
Triple Crown
Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each
3% of players · Very rare
Locked
Still Alive
Complete Course 4 with neither you nor your co-op partner dying
2.4% of players · Very rare
Locked
Asking for Trouble
Taunt GLaDOS in front of a camera in each of the five co-op courses
8.9% of players · Rare
Locked
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row
9.8% of players · Rare
Locked
Friends List With Benefits
While playing co-op, hug 3 different people on your friends list
4.5% of players · Very rare
Locked
Talent Show
Never lose a cube in Chamber 6 of the Mobility Gels co-op course
2.7% of players · Very rare
Locked
No achievements match.
News
Escher's Dream is a Portal 2 mod inspired by the non-euclidean works of the classic artist that will leave you feeling only a little bit nauseated13 Oct 2026
You know, given the ubiquity of his work, I'm surprised there aren't more M. C. Escher inspired games in this world There are a few, like Monument Valley, Manifold Garden and Superliminal, amongst a handful of others, you just don't find them all that often in spite of how striking a sense of space is found in Escher's work. Escher's Dream is not, unfortunately, a game of its own, but it is a neat... Read more
Portal 2 - Update29 Sep 2026
An update has been released for Portal 2: - Security and exploit fixes reported via HackerOne. - Removed an obsolete URL from the Super 8 teaser. Read more
A massive cache of Valve data has reportedly leaked online, appearing to include Portal 2's elusive beta build and a potential weapon from Half-Life 2: Episode 330 Aug 2026
massive cache of internal builds from Valve has reportedly leaked online, including beta builds of several classic Valve titles and possible weapons from Half-Life 2's cancelled third episode... Read more. Read more