Holy cow. These are great.
I love how understated they all are. A lot of our composers (me included) tend to get a bit bombastic, which isn’t always the way to go for video game soundtracks.
Excluding a bit of variation to extend it (but not much because its main draw is its simplicity), I think the first track is near perfect. It would work amazingly as an Awakening Stage theme, when your organism starts developing better brain capacity towards eventual tribalism.
One tiny nitpick with the second track is that the main melody feels a little ponderous at times. I’m not sure how you could fix it - perhaps playing with articulation by throwing in a few staccato notes? Other than that, it too is great, and in my opinion it doesn’t need an “action” version.
The third track conjures up images of the Victorian era, so I think it could work as an early Industrial theme. I would like to see a build up of tension in the finished version though - try and make it gradually grander as it approaches the end (brass, orchestral percussion, general increasing dynamics), before going back to that lovely string cadence.
I’m surprised I hadn’t considered anything like the fourth track before for the Industrial Stage, because it gives the feeling of a mid-20th century metropolis. It might not work as well as I’m hoping, but could you try adding some synth elements and a bigger jazz frontline as the texture thickens and volume gets louder? It works great as is, it just doesn’t feel entirely alien enough for an industrialised nation on another planet.