Spaceport Hope v1.4.8 is now available and includes the following additions:

-Added a difficulty setting in the options menu. There are three different difficulty levels: Easy, Normal and Expert.
-Adjusted the movement of some flying enemies that were annoying and hard to hit
-Minor addition in tutorial level: Added ammo pickups and a sign to indicate them
-Added 'Escape' as shortcut key to return from menus.