| Game |
Achievement |
TA |
GS |
Ratio |
Won |
Sol |
 |
 |
 |
Asking for TroubleTaunt GLaDOS in front of a camera in each of the five co-op courses |
16 |
(10) |
1.62 |
Yesterday | 
|
|
|
 |
Obstacle BuildingComplete all test chambers in the Excursion Funnels co-op course |
21 |
(15) |
1.40 |
Yesterday |
|
|
|
 |
Party of ThreeFind the hidden companion cube in co-op test chamber |
44 |
(25) |
1.77 |
Yesterday |
|
|
|
 |
Gesticul-8Perform all 8 gestures of your own volition in co-op |
21 |
(15) |
1.39 |
Yesterday |
|
|
|
 |
Bridge BuildingComplete all test chambers in the Hard-Light Surfaces co-op course |
20 |
(15) |
1.34 |
Yesterday |
|
|
|
 |
Can't Touch ThisDance in front of a turret blocked by a hard light bridge in co-op |
15 |
(10) |
1.47 |
20 May 13 |
|
|
|
 |
Portal Conservation SocietyComplete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements |
37 |
(20) |
1.86 |
20 May 13 |
|
|
|
 |
Empty GestureDrop your co-op partner in goo while they are gesturing by removing the bridge under them |
39 |
(25) |
1.55 |
20 May 13 |
|
|
|
 |
Confidence BuildingComplete all test chambers in the Mass and Velocity co-op course |
12 |
(10) |
1.25 |
20 May 13 |
|
|
|
 |
Narbacular DropPlace a portal under your co-op partner while they are gesturing |
35 |
(25) |
1.42 |
20 May 13 |
|
|
|
 |
Iron GripNever lose a cube in Chamber 6 of the Mass and Velocity co-op course |
36 |
(20) |
1.82 |
20 May 13 |
|
|
 |
 |
Mightier than the swordFind the Writing Cube artifact. |
14 |
(10) |
1.42 |
19 May 13 |
|
|
 |
 |
DeadeyeShoot 10 enemies off zip lines. |
44 |
(20) |
2.20 |
12 May 13 |
|
|
|
 |
Boom Goes the DynamiteBundle of dynamite shot out of the air. |
15 |
(10) |
1.49 |
12 May 13 |
|
|
 |
 |
Captain SeraEarn a killing spree with the Boomshield on Boneyard (Public/Ranked) |
21 |
(10) |
2.10 |
08 May 13 |
|
|
 |
 |
Lost WeekendKill 5 enemies while you are drunk. |
21 |
(10) |
2.12 |
07 May 13 |
|
|
|
 |
Industrial AccidentKill 20 enemies with a Sky-Hook Execution. |
7 |
(5) |
1.35 |
07 May 13 |
|
|
|
 |
On the FlyKill 30 enemies while riding a Sky-Line. |
18 |
(10) |
1.84 |
07 May 13 |
|
|
|
 |
Bon VoyageKill 20 enemies by knocking them off Columbia. |
44 |
(25) |
1.75 |
05 May 13 |
|
|
|
 |
Combination ShockPerform all 8 of the Vigor combinations. |
91 |
(50) |
1.82 |
05 May 13 |
|
|
|
 |
Here Little PiggyKill 30 enemies with the Founder Pig Volley Gun or Vox Hail Fire. |
7 |
(5) |
1.38 |
05 May 13 |
|
|
|
 |
Loose CannonKill 25 enemies with the Paddywhacker Hand Cannon. |
6 |
(5) |
1.28 |
04 May 13 |
|
|
|
 |
Long BombEarn the You’re It ribbon on Boneyard (Public/Ranked) |
22 |
(10) |
2.19 |
03 May 13 |
|
|
|
 |
UnstoppableAchieve level 50 a third time and choose to re-up for another tour |
153 |
(50) |
3.06 |
03 May 13 |
|
|
|
 |
Old School MarathonPlay 10 matches total on BloodDrive (Public/Ranked) |
22 |
(10) |
2.18 |
26 Apr 13 |
|
|
|
 |
Passionately ReciprocatedKill 150 enemies with the Founder Triple R Machine Gun or Vox Repeater. |
7 |
(5) |
1.37 |
25 Apr 13 |
|
|
|
 |
You Looking At MeWin a Team Death Match game with the entire team wearing the Car 13 Armor skin (Public/Ranked) |
43 |
(20) |
2.13 |
24 Apr 13 | |
|
|
 |
Strange BedfellowsKill 20 enemies using allies brought in through a Tear. |
14 |
(10) |
1.45 |
20 Apr 13 |
|
|
|
 |
Seasoned to TasteKill 30 enemies with the Peppermill Crank Gun. |
7 |
(5) |
1.42 |
20 Apr 13 |
|
|
|
 |
Street SweeperKill 50 enemies with the Founder China Broom Shotgun or Vox Heater. |
6 |
(5) |
1.20 |
20 Apr 13 |
|
|
|
 |
FearlessAchieve level 50 a second time and choose to re-up for another tour |
124 |
(50) |
2.47 |
15 Apr 13 | |
|
|
 |
More for Your MoneyLure 3 enemies into a single Vigor trap 5 times. |
35 |
(25) |
1.40 |
07 Apr 13 |
|
|
|
 |
Hazard PayKill 10 enemies by utilizing environmental hazards. |
34 |
(25) |
1.36 |
06 Apr 13 |
|
|
|
 |
Stone Cold PinkertonComplete the game on Hard difficulty or above. |
100 |
(50) |
2.00 |
02 Apr 13 |
|
|
|
 |
Should Auld Acquaintance...Unlock 1999 mode. |
12 |
(10) |
1.17 |
02 Apr 13 |
|
|
|
 |
Tin SoldierComplete the game on Easy difficulty or above. |
12 |
(10) |
1.20 |
02 Apr 13 |
|
|
|
 |
Saw the ElephantComplete the game on Normal difficulty or above. |
31 |
(25) |
1.26 |
02 Apr 13 |
|
|
|
 |
The Bird or The CageCompleted The Hand of the Prophet. |
30 |
(25) |
1.20 |
02 Apr 13 |
|
|
|
 |
Aerial AssassinKill 20 enemies with a Sky-Line Strike. |
7 |
(5) |
1.38 |
02 Apr 13 |
|
|
|
 |
Master of PyrotechnicsKill 20 enemies with the Barnstormer RPG. |
6 |
(5) |
1.27 |
02 Apr 13 |
|
|
|
 |
Raising the BarUpgrade one attribute (Health, Shield, or Salts) to its maximum level. |
14 |
(10) |
1.42 |
01 Apr 13 |
|
|
|
 |
Higher LearningCompleted Comstock House. |
29 |
(25) |
1.17 |
01 Apr 13 |
|
|
|
 |
Vigorous OppositionKill 75 enemies either with a Vigor or while the enemy is under the effects of a Vigor. |
55 |
(50) |
1.11 |
01 Apr 13 |
|
|
|
 |
Blood in the StreetsCompleted Emporia. |
29 |
(25) |
1.16 |
01 Apr 13 |
|
|
|
 |
Grand LargesseSpend $10,000 at the vending machines of Columbia. |
12 |
(10) |
1.23 |
01 Apr 13 |
|
|
|
 |
Big Game HunterKill 100 enemies with the Founder Huntsman Carbine or Vox Burstgun. |
6 |
(5) |
1.27 |
01 Apr 13 | |
|
|
 |
The Roguish TypeHave Elizabeth pick 30 locks. |
29 |
(25) |
1.16 |
01 Apr 13 |
|
|
|
 |
Well RoundedHit an enemy with each of the 8 Vigors. |
13 |
(10) |
1.25 |
01 Apr 13 |
|
|
|
 |
Kitted OutFully upgrade one weapon and one Vigor. |
12 |
(10) |
1.20 |
01 Apr 13 |
|
|
|
 |
Working Class HeroCompleted Factory. |
28 |
(25) |
1.12 |
01 Apr 13 |
|
|