Command the AEGIS line. Ion energy charges over time — spend it to deploy units that march on the RAX reactor. Units counter each other, so read the enemy and answer. Destroy their reactor before they destroy yours.
◆ Scout fast & cheap, beats Collectors · ◼ Trooper beats Scouts · ⬡ Tank slow, beats Troopers · ⌁ Collector boosts your ion income. Tap a unit button to deploy. P pauses.