Your aim is to match each card to its partner card. Keep your eye on the match window in the top left of the game screen for a hint as to the orientation, rotation or type of match required.
If your fuel gets to "Empty" one of your engines will cut out. If all your engines cut out its game over.
You can gain an engine back by completing bonus rounds in quick times.
You can play on easy, moderate or hard. The harder the difficulty the more points earned.