Retro Game Tips for The Orange Box (Xbox 360)
Achievement: Hard to Kill (10)
Achievement: Hardcore (15)
Achievement: Head of the Class (5)
Achievement: Heartbreaker (10)
Achievement: Heavy Weapons (5)
Achievement: Hit and Run (5)
When:
During gameplay
How:
Run over 20 enemies with the car in Episode Two
Submitted By:
Achievement: Hot PotatOwned (10)
Achievement: Impenetrable Defense (10)
When:
During gameplay
How:
Successfully defend Dustbowl without giving up a capture
Submitted By:
Achievement: Impossible Defense (30)
When:
During gameplay
How:
Successfully defend Gravel Pit without giving up a capture
Submitted By:
Achievement: Into the Breach (5)
When:
During gameplay
How:
Help Griggs and Sheckley hold off the antlion invasion inside the mine shaft
Submitted By:
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