The lategame feels pretty sparse, just waiting and waiting for the income to buy several really expensive things. It'd help if there were additional things to spend research on, since there's a significant gap between the second-last research and the final one. Maybe researches to reduce the cost of all the ecological structures you're building?

Relatedly, you probably have a huge resource surplus in the late game, and are only waiting on money. It might help if it was possible to build a lategame resource export structure, to sell off all the junk that piles up.

The excavation part felt unsatisfying. It was possible to build excavation rigs anywhere, but they weren't actually needed anywhere but Lakebed zones. This means that in most places, they just instantly finished... as opposed to in the places where they were actually needed, in which they finish almost immediately, making it seem hardly necessary. I'd suggest that the excavation process ought to take longer than a minute, as opposed to several seconds, to make the process feel more significant instead of just a checkbox.

In the build/upgrade menu, it would be useful with a button to specifically put an item in the queue.

For example, I want to buy the Hazmat Suit BEFORE buying the Excavation Rig, but I can afford the Excavation Rig but not the hazmat suit.
So I can queue up the hazmat, but I can NOT queue up the Excavation Rig, only buy it right now.
But if I buy the Excavator, then the area becomes full of barrels that I can't process before getting the hazmat, so I can't get any resources from that area if I buy them in the wrong order.

One of my workers is marked with "VOL" & I do not know what that means or what I should do about it?
Is it "VOL" for Volatile? Is it some kind of radiation that has made him crazy? Should I sell him & buy another?

Email:
RE: Details as requested
From: Nigel Ashworth.

I have no options to either accept or deny the deal?
It's just logged in my emails?

Improvement suggestion:
The information about things to build (and the hover panel) could use some colors (red / green) to make it faster to determine what resource I'm lacking, so I can focus on collecting that resource.
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It could also be useful if the crew could be instructed to focus on collecting specific items. So if you need scrap & instruct them to prioritize scrap, when there are eg. both wood & scrap on the map, then they collect the scrap first, and only when there are no more scrap, then they start picking up wood & whatnot.
Optionally, use like a Rimworld (game) priority system, where you can give Wood = priority 1, Wood = priority 2, Plastic = priority 3, Toxic = priority 4 (& so on, if more item types are introduced).
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It would be useful if it was possible to drag-&-drop workers in the map view from one zone to another.
In the map view you see where the workers are needed, but it's finicky to move them with the current system.

Good game, but some interface problems.

In phase 4, I do not understand how I'm supposed to do research?
I can see the research tree, some are green & some are gray, but whatever I click on, nothing happens?

I have also been granted some way to automatically monitor the local animals, but I can't find a way to "activate" that? and I can't see any stats about that in the right side statistics, so I assume that is not activated?

I also have some email cooperation with some animal breeder, they came & delivered some frogs I assume, there was a +5 biodiversity, in the logs, whatever that does?

The logs are also broken, I can't find that "+5 biodiversity" log entry, because each time something like a "rain" happens, then the logs reset their scrolling position to the end again, and that's on a timer, so no matter how fast I scroll, I just can't reach up far enough to see that entry.

currently in phase 9 waiting for half a million at a rate of 80/s doesn't seem good.
I don't know how I am supposed to make tons of money.
Upgrading the biodiversity buildings seems like a trap when I've already maxed out the diversity in one region with all 30 species at 100 and building more tourism also doesn't seem worth it nor does building diversity buildings in the region I made a second tourism building (besides the water through).
Got a cleaner and a sorter in every region.
Also what does the location designation "auto" exactly do? it seems to do nothing.

I'm also unable to get biodiversity and it feels like a bug. I got the email from Diana about breeding pairs en route and the email from the EPA about species monitoring equipment, but no new mechanics related to animals/biodiversity unlocked. I think a trigger didn't fire like it was supposed to.

How do i get bio diversity? I'm stuck at phase 4

Ending is not a rewarding payoff. Hopefully updates fix that.

What are worker skill levels and how do you raise them to max? Can't find anything about it anywhere except for the only locked achievement I have left and it being mentioned in the game description...

Also there seems to be a bug with morale which never exceeds 90% except for Drone Cleaners which are always at 100%. Only way to get that achievement seems to be to fire every single worker except Drone Cleaners.

AI assisted: Code, Graphics, Text.