Defend
Protect the colony core with turrets, power nodes, shields, mines, drones, and emergency battlefield abilities.
Sci-fi tower defense
Hold the core as alien waves keep getting stronger.
Build towers, unlock abilities, survive deeper waves, and push from planet to planet through a hostile colony network.
Survive
Every planet has endless waves. Bosses arrive, enemies scale up, and each run pushes your best wave higher.
Unlock
Earn Star Credits, buy ability tokens, research tower upgrades, and open new planets by surviving deep enough.