The Orange Box: Half-Life 2: Episode Two Hints

Twofer (EP2_BEAT_ANTLIONGUARDS)

  • 1 of 3: NOTE: This achievement may not appear in the PC achievement list.
  • 2 of 3: You get this achievement when you kill both the antlion guardian and his antlion guard pal in Chapter 3's Section 1: Antlion Guard Battle and Stuck Lift.
  • 3 of 3: Specifically, you're awarded the achievement when the second of those huge freaks goes down.