0.21%Neighborhood WatchSave all buildings outside the missile silo from destruction.0.23%Get Some GrubSquish every antlion grub in Episode Two.0.25%Hot Potat0wnedKill a Combine soldier with his own grenade.0.25%Piñata PartyFind and break every web cache in Episode Two.0.28%PaybackKill a Hunter with its own flechettes.0.28%Little Rocket ManSend the garden gnome into space.0.28%Puttin' On a ClinicDefeat the chopper in Episode Two without any misses.0.30%ConservationistKill five enemies with the same energy ball.0.32%Zombie-queUse flares to light 15 zombies on fire.0.32%The One Free BulletFinish the game firing exactly one bullet. Grenade, crowbar, rocket, and Gravity Gun kills are okay!
