ottosparks told me in steam that we should make metal, grass, dirt, stone, etc. Mainly sci-fi and nature.
I mainly looked at metal, and made a half-assed grate tile:

then I compiled it into an image.
Sorry it looks bad, its late at night.

Next ill start working on some Grass and stone. I never really thought of making those because from what I know about this game its taking place on a spaceship.