Well, it's not much to go on, but it seems like you remember some things that could help you. The shape and design of those vehicles seems specific enough, and the resources seem to be gathered from a single unit instead of a field of resources.
Why do those tree-like-things on the right have tentacles? What are those things that look like radioactive waste at the top of the screen?
I doubt you'd be able to get an answer from TWHL to be honest, but you might be able to ask these same questions on some big RTS board.