"Have now managed to finish all levels"
I'm afraid that you are only the one who did it
"..SUKCES. I first thought this was a misspelling..."
this is some kind of POLnglish language
"the title screen looks like the following"
I'm using Windowed Mode 720*560 (double line mode) and looks Ok.
Anyway , game should be tested more accurate and i think mouse support is needed.