yeah, we have been tearing through this quite fast, we wanted to go as quick as possible because we only have a short time before some important exams are coming up for some of us.
'Marsonium' is the primary resource on mars, but we also use power, uv rays and food
some of the more recent, unposted alien units actually hover rather than roll but the aliens were supposed to be realistic and we anted to keep it fairly normal looking, they fire plasma cannons though :p
Tech tree is all on paper so not very easy for me to upload, I may put one in the next indiedb update