dod_avalanche.wad hlbasics.wad halflife.wad gfx/env/avaup.tga gfx/env/avadn.tga gfx/env/avalf.tga gfx/env/avart.tga gfx/env/avaft.tga gfx/env/avabk.tga sprites/obj_tnt.spr sound/ambience/windy.wav models/mapmodels/sandbags.mdl models/mapmodels/by_banister.mdl