Get 100% in a repair on the Twin Fighter or any electronic-based repair mini-game after level 5 to unlock level 6, "Atlantis, 2015".
Italy, 1502 levelGet an "Air Virtuoso" or higher rank on level 11 to unlock level 12, "Italy, 1502".
Star GliderSuccessfully complete the game to unlock the powerful but slow Star Glider ship.