What is the Guardin' Gnome achievement? Simply put:
Who has the achievement?
Who doesn't have it but wants it?
I have it, as proven by this screenshot of my L4D2 achievements:
It involves carrying a lawn ornament that somehow survived its re-entry into Earth's atmosphere from the second level of Dark Carnival to safety aboard a helicopter at the end of the campaign.Rescue Gnome Chompski from the Carnival.
Who has the achievement?
Who doesn't have it but wants it?
I have it, as proven by this screenshot of my L4D2 achievements: