Half Life Alyx Barnacle For Hl1 [Half-Life] [Mods]

Zombie, Half-Life Wiki

Half Life 1 Rope-Barnacle Replacement Mod!

Half Life alyx Zombine For HL1 [Half-Life] [Mods]

Ichthyosaur, Half-Life Wiki

Half Life Alyx Barnacle For Hl1 [Half-Life] [Mods]

Barnacle - Remastered [Half-Life 2] [Mods]

Half-Life: Through The City mod - ModDB

I found a vent in Half-Life: Alyx that you have to physically crawl through, and contains a headcrab, helmet, and hidden resin in a vertical shaft : r/HalfLife

Barnacle Grapple, Half-Life Wiki

Happy Holidays! : r/HalfLife

Half-Life (pre-release) - Barnacle