Half Life: Black Mesa SP Map

After Gorden freeman defeated the nihilanth; he returned to black mesa to find any survivors before the trip home. After the nihilanth was slain, few creatures of it's creation lived since there was no other creature to reproduce the creatures to spread t
--------------------------- README: --------------------------- Half-life 1 = BlackMesa 2007 ------------- Story ------------- After Gorden freeman defeated the nihilanth; he returned to blackmesa to find any survivors before the trip