Half-Life 2 Hints

Secret Area

  • 1 of 4: Look for the lambda symbol on a wall near a corner with an explosive barrel and a small red shed that you can't open.
  • 2 of 4: Look near the lambda symbol to see a piece of metal that you can move aside.
  • 3 of 4: Doing so will reveal a hidden way into the shed.
  • 4 of 4: Crouch-walk inside to find some grenades and an armor battery.