The Orange Box
99 Achievements
1,000
80-100h
Xbox 360
Xbox One
Xbox Series
Attica!
Destroy the gunship in the hospital attic.
5
How to unlock the Attica! achievement in The Orange Box - Definitive Guide
Simply destroy the Gunship in the Attic of the Hospital, its tied into the story, so you will get it regardless as long as you make it to that point and kill it.
Use the usual tactics for taking out gunships, simply fire a rocket past it then using your reticle, aim it back and hit it in the back/side.
Use the usual tactics for taking out gunships, simply fire a rocket past it then using your reticle, aim it back and hit it in the back/side.