| Achievement | Unlocked | Visibility | Global Unlocks | |
|---|---|---|---|---|
|
The One Free Bullet
Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay! |
2019-12-18 15:12:58 | 8.7% | ||
|
Citizen Escort
Don't let any citizens die when escorting them to the escape train. |
2019-12-18 15:07:51 | 31.8% | ||
|
Live Bait
Help Alyx snipe 30 enemies in Episode One. |
2019-12-18 14:04:57 | 28.4% | ||
|
Zombie-que
Use flares to light 15 zombies on fire. |
2019-12-18 12:57:31 | 8.2% | ||
|
Car Crusher
Use the cars to squash 15 antlions in Episode One. |
2019-12-17 14:06:11 | 15.4% | ||
|
Pacifist
Contain the Citadel core without killing any stalkers. |
2019-12-17 13:29:34 | 10.2% | ||
|
Conservationist
Kill five enemies with the same energy ball. |
2019-08-27 13:36:06 | 9.7% | ||
|
Think Fast!
Kill an Elite Soldier with his own energy ball. |
2019-08-27 13:24:39 | 26.1% | ||
|
Containment
Contain the Citadel core. |
2011-08-21 09:46:54 | 59.9% | ||
|
Watch Your Head!
Make it to the bottom of the Citadel's main elevator shaft in one piece. |
2011-08-21 09:15:28 | 62.1% | ||
|
Escape From City 17
Escape City 17 with Alyx. |
2011-06-03 10:40:43 | 48.1% | ||
|
Attica!
Destroy the gunship in the hospital attic. |
2011-06-01 15:02:44 | 50.8% | ||
|
Elevator Action
Survive long enough to get on the parking garage elevator. |
2011-06-01 14:39:43 | 53.7% |