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Hopwire
From HalfLife 2 Knowledge Base
The weapon_hopwire is actually a weapon that creates a black hole !! i am not quite sure its in half-life 2. but ive first seen it in half-life 2: Episode 1. when the "grenade" is placed press "+attack" (default muuse 1) and it will jump up and turn into a black hole that suck everything into it. there is a code that enables the effect. but i dont remeber it.

