Terraria for Linux.

[MrDragon]

I am not sure how relevent this is to you, or if this is a possibility to work but.

Servers for Linux? | Terraria Online

A user here claims that they can get Terraria to work with Unbuntu and as such Linux, just passing along information that may or may not be of use ^^

[darren]

Currently we aren't adding support for games that need java, wine or mono to run on Linux, but if/when we do, we might be able to get this one in.