I see the video is still not uploaded on youtube, so you can see 'walk through' here:
https://www.twitch.tv/videos/671426084 my game starts at 1h:56min :)
I see the problem now. I have a really small monitor, so my resolution is only... 1024x768, so on my screen, you can't see the ending on that level. And if you go off-screen, you just die.
I created terrible aspect ratio! One of the first things to fix!
