First I want to say that there are so many things incredibly right with this game.
The terrain tool
Art and lighting
Procedural uniqueness to every new game world
loot handling, backpack, interface on the world.
Outstanding polish put into subtle things, like how a storage unit fits on a truck.
I am sure that some of my suggestions aren't in line with your plans, but keep reading. Wide variety of points.
My list of suggestions and bugs:
Habitat earlier in research.
Maybe after truck.
Shuttle should be re