sorry for the n00b question, but i really like this game and am new to RTS so I'm trying to get up to speed.
See the below screenshot where I have plenty of minerals, gas, supply depots, and no units building, but can not add a tech lab to build ghosts?
TIA
See the below screenshot where I have plenty of minerals, gas, supply depots, and no units building, but can not add a tech lab to build ghosts?
TIA