Thanks! We are glad you liked this "demo". There is a third boss in the game that you can find in the upper right corner of the map (the battle is quite difficult). Not sure about the completion yet, but fixes to the known bugs in the demo are certainly expected. Oh, and if you defeat the third boss the spaceship will be completely finished, you can launch it with the "e" button(the animation got lame unfortunately, but there was little time for that). Thanks for the review and for playing!