| Game |
Achievement |
Points |
Unlocked |
 |
 |
The One Free Bullet |
1.06 | 04/06/2013 10:56:29 |
| Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay! |
|
 |
Escape From City 17 |
0.64 | 07/24/2011 12:02:06 |
| Escape City 17 with Alyx. |
|
 |
Attica! |
0.62 | 07/24/2011 11:04:04 |
| Destroy the gunship in the hospital attic. |
|
 |
Car Crusher |
0.89 | 07/24/2011 09:16:29 |
| Use the cars to squash 15 antlions in Episode One. |
|
 |
Live Bait |
0.78 | 07/24/2011 09:15:43 |
| Help Alyx snipe 30 enemies in Episode One. |
|
 |
Elevator Action |
0.60 | 07/24/2011 08:53:08 |
| Survive long enough to get on the parking garage elevator. |
|
 |
Containment |
0.56 | 07/24/2011 08:05:56 |
| Contain the Citadel core. |
|
 |
Think Fast! |
0.83 | 07/24/2011 07:53:21 |
| Kill an Elite Soldier with his own energy ball. |
|
 |
Watch Your Head! |
0.55 | 07/24/2011 07:41:02 |
| Make it to the bottom of the Citadel's main elevator shaft in one piece. |
