You should make a multiplayer version where both start with the same Armory. Armory 1 is units w/out upgrades, Armory 2 includes various upgrades, Armory 3 has really powerful stuff. Chose multiplayer and the Armory you want, the outcome totally comes down to tactics. Instead of a "I lose to anyone with freeze because I don't have freeze" outcome.
Program suggestion - How about allowing a player to set squads as "defending/dug in/fortified" - to get a small defense boost (10-20%?)? I'm thinking only your troops at your colony, maybe 5% elsewhere - not when defending mines or relics. Then the player would have to "dig out" and wait 1 tick to move with them? That would give the defending force a slight advantage, make "home" troops more valuable than an ally's, and reward active players, since you would have to designate squads.
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 "Battle Dawn"){kind=icon}