Aliens vs Predator 2 singleplayer custom map titled "Hostile Appetite".
Map author: Phil 'Windebieste' Wlodarczyk with the help of Hevoc, Herr Alien and Chris Beaver.
"The clumsy unchecked stumblings of Humans across the cosmos have given them the false confidence that every World they touch is simply theirs for the taking. Once before they have visited Acheron with fatal results and now their aggressive hunger for interstellar conquest has lead them back to this World. Coupling their opportunistic nature to take what is not rightfully theirs to claim with a severe lack of caution, this time they have returned under a corporate driven manifest destiny.
Unfortunately for them, such a hostile appetite for colonial expansion can only end in confrontation with the ultimate disaster:
Map review is in part two's video description.