Half-Life 2: Episode Two achievements

Squish every antlion grub in Episode Two.

Save all buildings outside the missile silo from destruction.

Send the garden gnome into space.

If you are reading this achievement, Gabe Newell has successfully launched Gnome Chompski into space. If you did not also receive the achievement 'Manufacturing Ascent', Newell has abandoned his plans to shoot Noam Chomsky into space.

Kill a Combine soldier with his own grenade.

Defeat the chopper in Episode Two without any misses.

Find and break every web cache in Episode Two.

Kill a Hunter with its own flechettes.

Kill 30 enemies with thrown physics objects.

Run over 20 enemies with the car in Episode Two.

Steal a Zombine's grenade.

Beat DOG in a race to the White Forest base.