| Oyun |
Başarım |
Puan |
Açılma |
 |
 |
Zombie-que |
1,08 | |
| Use flares to light 15 zombies on fire. |
|
 |
The One Free Bullet |
1,06 | |
| Finish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay! |
|
 |
Conservationist |
1,06 | |
| Kill five enemies with the same energy ball. |
|
 |
Pacifist |
1,01 | |
| Contain the Citadel core without killing any stalkers. |
|
 |
Car Crusher |
0,89 | |
| Use the cars to squash 15 antlions in Episode One. |
|
 |
Think Fast! |
0,83 | |
| Kill an Elite Soldier with his own energy ball. |
|
 |
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. |
|
 |
Escape From City 17 |
0,64 | |
| Escape City 17 with Alyx. |
|
 |
Attica! |
0,62 | |
| Destroy the gunship in the hospital attic. |
|
 |
Elevator Action |
0,60 | |
| Survive long enough to get on the parking garage elevator. |
|
 |
Containment |
0,56 | |
| Contain the Citadel core. |
|
 |
Watch Your Head! |
0,55 | |
| Make it to the bottom of the Citadel's main elevator shaft in one piece. |
