13 days ago, a fleet of aliens - the Trisdaideka - started an invasion of earth. As everyone else on the planet is paralyzed by the resulting Triskaidekaphobia, it's up to you and your experimental rocket to defend the planet!
This game is controlled by keyboard or gamepad, not the mouse! (details, see below)
Read the messages to unveil, what the game is about ;-)
You want to start into the full action? You can "pause" the storymode (using the button at the bottom) and jump to a endless level, including a displayed score. You can return to the story (where you left it) anytime
a standard gamepad is supported, the left analog stick has a different gameplay-feeling than the arrow-buttons. The arrow-buttons have the same feeling as the keyboard.
Using the analog stick:
Using the arrow buttons:
In both cases the A button fires your lasers