Can you defend your home planet from wicked monster raids? Build your army and go with them into battle. Choose the right tactics to make your base will soon not become victims of lifeless doom. The target can be attacked even from a bit advance so that it first let go, and then summon additional units, which can easily crush it. You can also fall back at the appropriate time to better cope with the current onslaught of invaders. Unfortunately, you may move only forward or backward, but never above or below this level. The main goal of your army is, of course, to defend a handful of bases. You may occupy them by your men, who may use the shield. It is not omnipotent and can not resist too long odds. The destruction of the first base launches the so-called domino effect, so suddenly you lose the remaining fully functional design.