| 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! |
2016-07-18 20:11:42 | 8.7% | ||
|
Zombie-que
Use flares to light 15 zombies on fire. |
2016-07-18 19:59:56 | 8.2% | ||
|
Car Crusher
Use the cars to squash 15 antlions in Episode One. |
2016-07-18 19:42:22 | 15.4% | ||
|
Pacifist
Contain the Citadel core without killing any stalkers. |
2016-07-17 23:28:38 | 10.2% | ||
|
Conservationist
Kill five enemies with the same energy ball. |
2016-07-17 23:02:04 | 9.7% | ||
|
Citizen Escort
Don't let any citizens die when escorting them to the escape train. |
2016-05-05 14:53:41 | 31.8% | ||
|
Escape From City 17
Escape City 17 with Alyx. |
2015-11-09 21:06:35 | 48.1% | ||
|
Attica!
Destroy the gunship in the hospital attic. |
2015-11-09 20:10:30 | 50.8% | ||
|
Live Bait
Help Alyx snipe 30 enemies in Episode One. |
2015-11-09 19:38:20 | 28.4% | ||
|
Elevator Action
Survive long enough to get on the parking garage elevator. |
2015-11-08 12:45:36 | 53.6% | ||
|
Containment
Contain the Citadel core. |
2015-11-08 11:59:21 | 59.8% | ||
|
Think Fast!
Kill an Elite Soldier with his own energy ball. |
2015-11-08 11:57:52 | 26.1% | ||
|
Watch Your Head!
Make it to the bottom of the Citadel's main elevator shaft in one piece. |
2015-11-08 11:42:41 | 62.1% |