Originally Posted by Unregistered
what does it mean to tech up?
It depends on your faction
. soviets tech up is super reactor (tier 1) and battle lab (tier 2)
. allies tech up is airbase (tier 1) and defense bureau (tier 2)
. rising sun works a bit differently, for defenses you need an ore refinery, you upgrade the specific unit production structure for
tier 2 units and for tier 3 units and high tech defenses you need a nano-tech mainframe.
Hope this helps!