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Half-Life: Opposing Force Hints
Barnacle
The barnacle is one of the coolest weapons you get to use in OpForce. It can be used as a weapon, which latches onto enemies and drags them into its tooth-filled mouth. However, the barnacle is especially useful in that it can latch onto fixed organisms (such as spores and alien moss), effectively dragging you along as it tries to reel in its catch. Thus you can swing your way into out-of-reach areas and out of harm's way. The barnacle will only latch onto organic matter, though.
