ROB! We need your help defending Earth from Alien UFO's. Each one having different defenses. Please Rob your are only hope.

In this game you play as a Space Control Agent named Rob. Shooting randomly spawning UFO's out of Space to help defend Earth. Each wave awarding you with different letter UFO's to personalize your Steam Profile via Steam Achievements!
UFO's are randomly generated meaning every round will be different and have a different difficulty.
Credits to Zapson for creating the Soundtrack for "ROB".