Black Mesa Mega Hertz Achievement Guide

This video shows how to earn Mega Hertz Achievement Black Mesa and how to kill 5 Enemies with one Grenade Mega Hertz Black Mesa. This can be earned in multiple parts of the game. You may try to do this in Chapter 4 after you got a ride one the elevator platform. Just keep headcrabs alive until you reach the bottom level and try your luck to kill 5 of them at the same time. End screen template music license Creative Commons — Attribution 3.0 Unported — CC BY 3.0