| Game |
Achievement |
Points |
Unlocked |
 |
 |
Conservationist |
1.06 | 05/14/2011 20:24:00 |
| Kill five enemies with the same energy ball. |
|
 |
Escape From City 17 |
0.64 | 06/15/2010 03:43:55 |
| Escape City 17 with Alyx. |
|
 |
Attica! |
0.62 | 06/14/2010 21:20:57 |
| Destroy the gunship in the hospital attic. |
|
 |
Pacifist |
1.02 | 06/14/2010 06:11:26 |
| Contain the Citadel core without killing any stalkers. |
|
 |
Containment |
0.56 | 06/14/2010 06:11:26 |
| Contain the Citadel core. |
|
 |
Car Crusher |
0.89 | |
| Use the cars to squash 15 antlions in Episode One. |
|
 |
Live Bait |
0.78 | |
| Help Alyx snipe 30 enemies in Episode One. |
|
 |
Citizen Escort |
0.75 | |
| Don't let any citizens die when escorting them to the escape train. |
|
 |
Elevator Action |
0.60 | |
| Survive long enough to get on the parking garage elevator. |
|
 |
Watch Your Head! |
0.55 | |
| Make it to the bottom of the Citadel's main elevator shaft in one piece. |
