Talk:NPC/@comment-83.251.11.18-20121030153942/@comment-5235775-20130107020446

You have to build homes for them.

The Requirements -

- A chair

- A table (Or workbench)

- A light source

- Background walls

- Walls

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If you have built houses for them but they still do not come, it may be because there is a Goblin Army present, Corruption near your home, or you have not achieved them. (From what I read from you, you haven't acheived the Clothier, Dryad, Merchant, Wizard, and Mechanic.)