"Radiation Levels Detected"
|Get through the toxic tunnel under City 17 in Half-Life 2.|
Story related so you can't miss it.
|Rate this achievement||Average Rating|
|You need to register before being able to post comments.|
|You need to log in or register to use MyAchievements.|
|You need to log in or register to rate games.|
User Score is based on 2389 user ratings.