HL2 article
For other uses, see Tripmine (disambiguation).
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The Combine Laser Tripmine is a tripmine first encountered in Nova Prospekt, blocking off vital areas. They also appear in Episode One.


The Combine Laser Tripmine is, quite simply, an explosive package with a laser emitting from it. When the laser is tripped, the explosives will detonate. The Tripmines are similar to ordinary mines, except they are easier to deploy and use, albeit somewhat more obvious.

Lasers are also used in conjunction with other devices, such as Turrets; when the laser is tripped, the turret or other devices will activate.

Tripmines are first seen by Gordon Freeman during his incursion to Nova Prospekt; but they also appear in City 17, as both trip-laser turrets guarding key Combine locations and explosives in ambushes set up by the Overwatch to slow Gordon's escape from the city.


Laser tripmines can be very dangerous if not handled properly. The easiest way to dispose of them is to shoot them; however, there may not be enough space to stay out of the blast radius.

  • Grenades are a better solution, allowing the player to remain out of the blast radius, even in confined spaces.
  • Antlions can be directed through the laser beam, detonating the mine.
  • Small objects, such as crates and barrels, can be thrown into the laser beam to detonate them as well.


List of appearances

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