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13 dari 13 (100%) pencapaian didapatkan:
Pencapaian Pribadi
 

Watch Your Head!

Make it to the bottom of the Citadel's main elevator shaft in one piece.
Didapatkan pada 30 Des 2012 @ 7:32am

Containment

Contain the Citadel core.
Didapatkan pada 30 Des 2012 @ 7:42am

Pacifist

Contain the Citadel core without killing any stalkers.
Didapatkan pada 30 Apr 2016 @ 8:01am

Car Crusher

Use the cars to squash 15 antlions in Episode One.
Didapatkan pada 18 Feb 2018 @ 2:42am

Elevator Action

Survive long enough to get on the parking garage elevator.
Didapatkan pada 30 Des 2012 @ 8:16am

Live Bait

Help Alyx snipe 30 enemies in Episode One.
Didapatkan pada 18 Feb 2018 @ 2:57am

Attica!

Destroy the gunship in the hospital attic.
Didapatkan pada 22 Apr 2013 @ 10:52am

Citizen Escort

Don't let any citizens die when escorting them to the escape train.
Didapatkan pada 23 Apr 2013 @ 9:53am

Escape From City 17

Escape City 17 with Alyx.
Didapatkan pada 23 Apr 2013 @ 10:01am

The One Free Bullet

Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!
Didapatkan pada 18 Feb 2018 @ 6:46am

Conservationist

Kill five enemies with the same energy ball.
Didapatkan pada 18 Feb 2018 @ 6:50am

Think Fast!

Kill an Elite Soldier with his own energy ball.
Didapatkan pada 18 Feb 2018 @ 2:15am

Zombie-que

Use flares to light 15 zombies on fire.
Didapatkan pada 18 Feb 2018 @ 2:46am