Nihilanth's death stopped any future alien attack on Earth. But after some time, there raised something more evil. It was called Mother of Headcrabs. This monster started creating more powerful headcrabs, than anyone could imagine. There was a lot of varieties and different specialities. They were true warriors, really strong enemies... - By Michal Jirouš.
This review may contain spoilers
You think you..Are good at avoiding headcrab attacks? Good at beating mods that are hard.. Pfft forget about that. You will SWEAT and work your *** off in this mod.
The monsters deal damage that is ******* crazy and some are not seeable so you have to make the "magic" crowbar and F6/F7 your friend.