Achieved | Achievement | % of players | Unlock date |
|---|---|---|---|
 | Watch Your Head! Make it to the bottom of the Citadel's main elevator shaft in one piece. | 96.29% | 22/08/2018, 17:35:17 |
 | Containment Contain the Citadel core. | 92.2% | 22/08/2018, 23:09:46 |
 | Elevator Action Survive long enough to get on the parking garage elevator. | 81.19% | 28/08/2018, 14:39:33 |
 | Attica! Destroy the gunship in the hospital attic. | 76.39% | |
 | Escape From City 17 Escape City 17 with Alyx. | 71.6% | 29/08/2018, 13:30:04 |
 | Citizen Escort Don't let any citizens die when escorting them to the escape train. | 45.48% | 29/08/2018, 13:15:50 |
 | Live Bait Help Alyx snipe 30 enemies in Episode One. | 44.41% | 28/08/2018, 15:03:50 |
 | Think Fast! Kill an Elite Soldier with his own energy ball. | 38.91% | |
 | Car Crusher Use the cars to squash 15 antlions in Episode One. | 21.67% | |
 | Pacifist Contain the Citadel core without killing any stalkers. | 13.32% | |
 | Conservationist Kill five enemies with the same energy ball. | 12.08% | |
 | The One Free Bullet Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay! | 10.66% | |
 | Zombie-que Use flares to light 15 zombies on fire. | 9.77% |