Achievement Unlocked Game Visibility Global Unlocks
Obstacle Building
Complete all test chambers in the Excursion Funnels co-op course 		2012-12-21 18:00:49
Portal 2 26.5%
Can't Touch This
Dance in front of a turret blocked by a hard light bridge in co-op 		2012-12-21 17:52:29
Portal 2 10.0%
Gesticul-8
Perform all 8 gestures of your own volition in co-op 		2012-12-21 17:31:04
Portal 2 27.3%
Air Show
Perform 2 aerial gestures before touching the ground in co-op 		2012-12-21 17:14:25
Portal 2 33.9%
Unholy
10 kills with every Titan weapon in one Titan transformation. 		2012-12-15 05:56:11
Unreal Tournament 3: Black Edition 2.3%
Killjoy
End sprees in 20 matches. 		2012-12-07 22:27:51
Unreal Tournament 3: Black Edition 7.0%
Got Your Back
Complete 10 missions in co-op. 		2012-12-07 22:17:38
Unreal Tournament 3: Black Edition 3.8%
Bridge Building
Complete all test chambers in the Hard-Light Surfaces co-op course 		2012-12-07 22:07:31
Portal 2 32.2%
Narbacular Drop
Place a portal under your co-op partner while they are gesturing 		2012-12-07 22:04:44
Portal 2 5.9%
Rock Portal Scissors
Win 3 co-op games of rock-paper-scissors in a row 		2012-12-07 21:56:14
Portal 2 9.9%
Confidence Building
Complete all test chambers in the Mass and Velocity co-op course 		2012-12-07 20:49:12
Portal 2 41.1%
I Need Some Backup
Complete 1 mission in co-op. 		2012-12-07 19:45:18
Unreal Tournament 3: Black Edition 7.5%
Up and Comer
Reach 20th level. 		2012-12-06 18:59:11
Fallout: New Vegas 31.7%
Wanted Dead or Alive
Rescue professor Stein. So to say. 		2012-12-06 04:38:00
Serious Sam 3: BFE 71.4%
Serious Beginner
Complete any level in single player. 		2012-12-06 04:27:55
Serious Sam 3: BFE 56.4%
Chain Explosion
Kill at least 5 headless kamikazes in one explosion. 		2012-12-06 04:22:42
Serious Sam 3: BFE 57.2%
Curios and Relics
Caused 10,000 damage with unique Mojave Wasteland weapons. 		2012-11-27 15:27:41
Fallout: New Vegas 18.0%
Talent Pool
Complete Talent Pool. 		2012-11-25 19:04:01
Fallout: New Vegas 12.0%
Mod Master
Install 20 weapon mods. 		2012-11-25 18:06:14
Fallout: New Vegas 8.1%
G.I. Blues
Complete G.I. Blues. 		2012-11-24 23:12:10
Fallout: New Vegas 30.6%
Outstanding Orator
Make 50 Speech challenges. 		2012-11-24 19:40:19
Fallout: New Vegas 27.0%
Team Building
Complete all test chambers in the Team Building co-op course 		2012-11-23 17:40:20
Portal 2 49.6%
High Five
Celebrate your cooperative calibration success 		2012-11-23 17:14:46
Portal 2 58.8%
Zero-Point Energy
Get the Gravity Gun in Black Mesa East. 		2012-09-21 21:31:27
Half-Life 2 44.2%
Blast from the Past
Find the HEV Suit Charger faceplate in Eli's scrapyard. 		2012-09-21 21:30:58
Half-Life 2 22.9%
Revenge!
Destroy the hunter-chopper in Half-Life 2. 		2012-09-21 21:07:05
Half-Life 2 45.0%
Heavy Weapons
Get the airboat's mounted gun. 		2012-09-21 20:47:59
Half-Life 2 47.3%
Anchor's Aweigh!
Get the airboat. 		2012-08-19 23:18:50
Half-Life 2 53.2%
Drop Box
Place a cube on a button without touching the cube 		2012-08-11 23:20:37
Portal 2 29.7%
Ol' Buddy Ol' Pal
Recruit any companion. 		2012-07-26 05:23:40
Fallout: New Vegas 47.0%
I'm Not on a Holy War
Defeat Akasha and complete the campaign. 		2012-07-25 19:28:14
Unreal Tournament 3: Black Edition 6.1%
Not in Kansas Anymore
Complete Chapter 4. 		2012-07-25 18:01:28
Unreal Tournament 3: Black Edition 7.3%
Hat Trick
Achieve a Hat Trick in 10 CTF or VCTF matches. 		2012-07-25 17:20:21
Unreal Tournament 3: Black Edition 3.2%
BLIND LUCK
You or another Survivor take no damage after being vomited on by a Boomer. 		2012-07-19 08:06:36
Left 4 Dead 53.9%
TANKBUSTERS
Kill a Tank without it dealing any damage to a Survivor. 		2012-07-19 07:49:21
Left 4 Dead 57.6%
Lead Dealer
Cause 10,000 damage with Guns. 		2012-07-17 20:59:32
Fallout: New Vegas 38.2%
You Run Barter Town
Sell 10,000 caps worth of goods. 		2012-07-17 20:52:38
Fallout: New Vegas 36.5%
No Tumbler Fumbler
Pick 25 locks. 		2012-07-17 16:42:55
Fallout: New Vegas 33.4%
Stalemate Associate
Press the button! 		2012-07-16 23:36:02
Portal 2 47.1%
SaBOTour
Make a break for it 		2012-07-16 23:09:37
Portal 2 48.1%
Bridge Over Troubling Water
Complete the first Hard Light Bridge test 		2012-07-16 22:26:11
Portal 2 55.1%
Preservation of Mass
Break the rules in Test Chamber 07 		2012-07-15 22:39:34
Portal 2 25.1%
Undiscouraged
Complete the first Thermal Discouragement Beam test 		2012-07-15 22:23:34
Portal 2 64.6%
You Monster
Reunite with GLaDOS 		2012-07-15 22:19:17
Portal 2 66.6%
Wake Up Call
Survive the manual override 		2012-07-15 21:49:37
Portal 2 75.9%
Does Not Compute
Complete Chapter 3. 		2012-07-15 18:46:51
Unreal Tournament 3: Black Edition 9.1%
Armadillo
Get the "Roadkill" award in 10 matches. 		2012-07-15 17:43:34
Unreal Tournament 3: Black Edition 10.1%
Soldier's Blood
Complete Chapter 2. 		2012-07-14 23:01:01
Unreal Tournament 3: Black Edition 11.8%
Serial Killer
Get the "Killing Spree" award in 20 matches. 		2012-07-14 19:44:51
Unreal Tournament 3: Black Edition 17.4%
Lock and Load
Complete Chapter 1. 		2012-07-13 23:34:09
Unreal Tournament 3: Black Edition 55.4%
Heartbreaker
Complete Portal. 		2012-06-14 01:40:33
Portal 52.4%
Partygoer
Make the correct party escort submission position decision. 		2012-06-11 01:56:13
Portal 55.9%
Fratricide
Do whatever it takes to survive. 		2012-06-11 01:28:49
Portal 63.7%
Friendly Fire
Knock down a turret with another turret. 		2012-06-11 01:19:19
Portal 49.1%
Lab Rat
Acquire the fully powered Aperture Science Handheld Portal Device. 		2012-06-11 00:51:32
Portal 81.4%
Trusty Hardware
Get the crowbar. 		2012-06-10 01:17:56
Half-Life 2 67.0%
Malcontent
Escape the apartment block raid. 		2012-06-10 01:05:24
Half-Life 2 69.7%
Submissive
Put the can in the trash. 		2012-06-10 00:58:40
Half-Life 2
44.8%
Walker of the Mojave
Discover 50 locations. 		2012-06-03 18:28:00
Fallout: New Vegas 35.2%
Crafty
Craft 20 items. 		2012-06-03 18:13:10
Fallout: New Vegas 42.9%
New Kid
Reached 10th level. 		2012-06-03 17:56:17
Fallout: New Vegas 45.9%
Ring-a-Ding-Ding
Complete Ring-a-Ding-Ding. 		2012-05-27 05:40:18
Fallout: New Vegas 39.6%
They Went That-a-Way
Complete They Went That-a-Way. 		2012-05-27 04:55:20
Fallout: New Vegas 47.8%
Come Fly With Me
Complete Come Fly With Me. 		2012-05-27 03:47:38
Fallout: New Vegas 43.9%
Know When to Fold Them
Win 3 games of Caravan. 		2012-05-27 03:19:26
Fallout: New Vegas 5.7%
Jury Rigger
Repair 30 items. 		2012-05-26 00:38:52
Fallout: New Vegas 39.5%
Ain't That a Kick in the Head
Complete Ain't That a Kick in the Head. 		2012-05-25 01:47:30
Fallout: New Vegas 92.7%