Proto-biters - Factorio Mods

[azure bough]

Looks really nice, though I haven't play Factorio 0.17 or earlier to compare.
The biter and spitter nests look a bit flat though.

[sacred coyote]

I'm interested to know what you mean by flat: is it the contrast, the colors, the design?

[azure bough]

I think it's the shading and/or colors, especially compared to the Nauvis 2.0 ground. I the protruding vents on the nests also look a bit under-defined to me - they are missing shadows on the right in some orientations, sometimes there are shadows, but those are a bit weak I think.
I haven't done any graphic design though.

[queen prairie]

Eugh those are hideous (in a good way). the translucence is so gross