Worms are underground enemies in SteamWorld Build. They snatch nearby workers, chew them up, and wait for new prey. Dealing with these monsters becomes inevitable when you try to explore the Marshy Ruins’ secret areas, as they block the path. But the problem is guards and traps are ineffective against Worms. They seem to be undead creatures lurking from the hellish bedrocks. This quick guide explains how to unlock the necessary machinery to kill Worms. (Yes, there are specialized items in the game to get rid of killer insects.)