So I figured I might as well kinda necro this as I have stuff to show. I added 'dynamic' lighting. It basically adjusts the contrast based on how many units/buildings are close to the screen. Each object has its own brightness value and magma even has its own subtle glow. I turned on wallhacks for the demo so thats why everything looks strange. The whole recording is pretty low effort but eh, it shows the general idea. The transitions between light levels look way better on actual hardware (read: it doesn't have that super obvious flicker that the emulator does) Actually, come to think of it, the whole game looks way better on hardware but I guess that is true of every game. It can be disabled in the settings. The whole project is basically finished. All I need to do is find some time to figure out a minor bug on campaign completion and add descriptions to all the options in the settings menu.
Not shown: lasers create light flashes when on or close to the screen. It can be disabled separately from the lighting if you find random flashes irritating.

I added a bunch of other cool things in the mean time too but I can't remember what they are...