contains: maps, materials, models, particles, ui, sounds

weapons: crowbar, pistol, smg1, ar2, 357, alyxgun, annabelle, bugbait, citizenpackage, crossbow, frag, physcannon, rpg, shotgun, stunstick, citizensuitcase

vehicles: jeep, jalopy, airboat, crane, pod, apc

npcs: alyx, gman, barney, kleiner, dog, citizen, combine_soldier, combine_elite, metrocop, vortigaunt, antlion, antlion_guard, antlion_worker, antlion_grub, headcrab, zombie, fast_zombie, fast_headcrab, poison_zombie, poison_headcrab, advisor, barnacle, hunter, ichthyosaur, leech, mossman, stalker, turret, grigori, strider, scanner, lamarr, zombine, rollermine, odessa, pigeon, crow, gunship, dropship, eli, helicopter, magnusson, manhack, breen