Hey everyone! I've just uploaded v1.1 which adds a lot polishing to the arcade part.
First of all, thanks again for your bug reports. I hope I've fixed them all - or at least I've tried

Now the arcade-part has a very fair, pixel-perfect collision detection, so bullet dodging is actually fun again. You can also keep the space-bar pressed for autofire and best of all: bombs

There's also an "arcade-only" mode you can unlock by completing the game once. After that you can directly access the arcade part, also all cutscenes are skipped. And for, that you'll need the bombs
Also, I think having the dialog pop up each time you're hit and resetting your position is far more trouble than any benefit it may provide because ...
Done
Speech is now in background and there's a shield, which keeps you save for about a second.
And the comma-count has been cut in half

Thanks for the proof-reading, Ben!