1 |
|
58.70%
|
High Five: Celebrate your cooperative calibration success |
ACH.HI_FIVE_YOUR_PARTNER |
2 |
|
49.60%
|
Team Building: Complete all test chambers in the Team Building co-op course |
ACH.TEAM_BUILDING |
3 |
|
41.00%
|
Confidence Building: Complete all test chambers in the Mass and Velocity co-op course |
ACH.MASS_AND_VELOCITY |
4 |
|
33.70%
|
Air Show: Perform 2 aerial gestures before touching the ground in co-op |
ACH.WITH_STYLE |
5 |
|
32.10%
|
Bridge Building: Complete all test chambers in the Hard-Light Surfaces co-op course |
ACH.HUG_NAME |
6 |
|
29.40%
|
Drop Box: Place a cube on a button without touching the cube |
ACH.BOX_HOLE_IN_ONE |
7 |
|
27.20%
|
Gesticul-8: Perform all 8 gestures of your own volition in co-op |
ACH.TAUNTS |
8 |
|
26.40%
|
Obstacle Building: Complete all test chambers in the Excursion Funnels co-op course |
ACH.EXCURSION_FUNNELS |
9 |
|
24.90%
|
Preservation of Mass: Break the rules in Test Chamber 07 |
ACH.SAVE_CUBE |
10 |
|
21.20%
|
You Saved Science: Complete all test chambers in all courses of co-op |
ACH.NEW_BLOOD |
11 |
|
10.90%
|
Ship Overboard: Discover the missing experiment |
ACH.NO_BOAT |
12 |
|
9.90%
|
Can't Touch This: Dance in front of a turret blocked by a hard light bridge in co-op |
ACH.YOU_MONSTER |
13 |
|
9.90%
|
Rock Portal Scissors: Win 3 co-op games of rock-paper-scissors in a row |
ACH.ROCK_CRUSHES_ROBOT |
14 |
|
9.00%
|
Asking for Trouble: Taunt GLaDOS in front of a camera in each of the five co-op courses |
ACH.TAUNT_CAMERA |
15 |
|
9.00%
|
Pturretdactyl: Use an Aerial Faith Plate to launch a turret |
ACH.LAUNCH_TURRET |
16 |
|
7.90%
|
Pit Boss: Show that pit who's boss |
ACH.COMPLIANT |
17 |
|
7.40%
|
Door Prize: Examine all the vitrified test chamber doors |
ACH.A3_DOORS |
18 |
|
6.90%
|
Schrodinger's Catch: Catch a blue-painted box before it touches the ground |
ACH.CATCH_CRAZY_BOX |
19 |
|
6.90%
|
Four Ring Circus: Enter 4 different portals without touching the ground in co-op |
ACH.FOUR_PORTALS |
20 |
|
6.70%
|
You Made Your Point: Refuse to solve the first test in Chapter 8 |
ACH.DEFIANT |
21 |
|
5.90%
|
Narbacular Drop: Place a portal under your co-op partner while they are gesturing |
ACH.PORTAL_TAUNT |
22 |
|
5.80%
|
Professor Portal: After completing co-op, complete Calibration Course online with a friend who hasn’t played before |
ACH.TEACHER |
23 |
|
5.60%
|
Final Transmission: Find the hidden signal in one of the Rat Man's dens |
ACH.CLEAN_UP |
24 |
|
4.60%
|
Empty Gesture: Drop your co-op partner in goo while they are gesturing by removing the bridge under them |
ACH.PARTNER_DROP |
25 |
|
4.40%
|
Friends List With Benefits: While playing co-op, hug 3 different people on your friends list |
ACH.SPREAD_THE_LOVE |
26 |
|
4.00%
|
Overclocker: Complete Test Chamber 10 in 70 seconds |
ACH.SPEED_RUN_LEVEL |
27 |
|
3.70%
|
Smash TV: Break 11 test chamber monitors |
ACH.BREAK_MONITORS |
28 |
|
3.60%
|
Iron Grip: Never lose a cube in Chamber 6 of the Mass and Velocity co-op course |
ACH.NICE_CATCH |
29 |
|
3.60%
|
Party of Three: Find the hidden companion cube in co-op test chamber |
ACH.PARTY_OF_THREE |
30 |
|
3.00%
|
Triple Crown: Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each |
ACH.SPEED_RUN_COOP |
31 |
|
2.70%
|
Portal Conservation Society: Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
ACH.LIMITED_PORTALS |
32 |
|
2.60%
|
Talent Show: Never lose a cube in Chamber 6 of the Mobility Gels co-op course |
ACH.SUMMER_SALE |
33 |
|
2.40%
|
Still Alive: Complete Course 4 with neither you nor your co-op partner dying |
ACH.STAYING_ALIVE |