Every Terraria wall — 367 background textures that stop enemy spawns and make NPC housing valid.











































































































































































































































































































Showing 300 of 367 — search above, or browse the full A-Z index of walls →
Walls form the background layer behind tiles. Placed walls stop enemy spawns and are required for valid NPC housing. Terra Codex lists 367.
Craft or buy the wall, then place it in an empty background; a hammer removes walls.