Thanks for commenting!
I know you intended for it to be quite plain but I honestly think you should add some detail.
You can always search for Gaeel's topic that has the link to his long (and reliable) list of tilesets and gradients for any tilesets you may desire to do so.
There are two main parts of the ship: interior and exterior.
I'll probably add more detail to the inside, but I kinda want the outside
to have that plain, clean look. There are also some other areas so don't worry, there will be more detail
I want to keep at least the main ship tileset custom-made, so I won't use Gaeel's resources there,
but there are a few areas that require a style I'm no good at, so maybe there.
As for beta testers... yeah, I'd best have another. Post if you're interested!
EDIT: Juni asked me on IRC, so beta slot two goes to her.