You are the commander of a space battle station. Below you, on the planet's surface, enemies are trying to capture deadly missile silos. Don't let them seize these silos. Protect them at all costs!
You are an elite force soldier on a mission to survive multiple waves of enemy attacks. Battle through 10 waves of shooting rage and unlock 12 trophies.
Deplete enemy's invasion forces and stop their offensive. When facing a large number of enemies, the only way to deter them is to use the powerful Haiphong battery.