Please, stop the invasion of extraterrestrial ships to the earth. A simple touch and friction angle adjustment enjoy the game.
Defend the last line of defense of the earth! UFO is coming to Earth. To acquire power, please stop them.
27 kinds of variety to be fired. Use black and white holes, where they infiltrate behind enemy lines. To acquire the energy capsule, rail canon can be fired. Acquire a mysterious power of the universe, it takes double the damage to use it well.