The Orange Box achievements

14.76%

Impenetrable Defense

Successfully defend Dustbowl without giving up a capture.

14.86%

Impossible Defense

Successfully defend Gravel Pit without giving up a capture.

14.96%

Counter-Sniper

Kill all of the snipers in City 17.

15.96%

Relentless Offense

Win Hydro without giving up a capture.

16.37%

World Traveler

Play a complete game on every map.

16.77%

Zombie Chopper

Play through Ravenholm using only the Gravity Gun.

17.07%

Flushed

Kill an enemy with a toilet.

17.17%

Hack Attack!

Kill five enemies with a Manhack.

17.67%

Nemesis

Get five revenge kills.

17.77%

Lightning Offense

Win Well in 5 minutes or less.

17.77%

Master of Disguise

Trick an opposing medic into healing you.

17.97%

Fruitcake

Beat four Portal advanced maps.

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