walls keep cities safe from alien wildlife like antlions and headcrabs. Included are 15 Antlions in various poses. It was the first official Half Life game since Half Life 2 Episode Two despite. The Combine had to install many suppression systems to deal with them across the Earth, including various thumpers and defensive walls around fortifications to prevent them from over-running their facilities. The warriors of their species boast large claws for slashing, and posses the ability to leap great distances with the aid of their wings. They hail from Xen, and many of them jumped to our dimension during the Black Mesa incident. Half-Life 2 and episodes - Download hlaantlion.7z archive with mods from this page.- Extract HLA Antlion in HL2.vpk file from the archive to your Half-Life 2 custom folder (. The RPG in Half-Life 2 brings back the distinctive laser-designation system that made. The Antlion is a large, ferocious insect of several differing castes, with a hierarchy, appearance, and physiology very similar to that of ants and termites. Antlions are fairly stupid enemies, but deadly nonetheless, if only because of their numbers.