Thanks! Good luck with getting flash to work, as from memory it was very annoying to do. If you need any help, I believe that the BL discord has some useful stuff to get it working.
Finally after 3 runs within 100 of the highscore, I got a decently clear highscore. I think I want to keep going for 57k to give a bit of extra clearance...
Getting past my old PB of 53k felt like a lot of luck, even now. 56k isn't even close to optimal, but the ridiculous 'luck' (not really luck but I cannot control it so I call it luck :P) required at the start, and then to clutch out the deceptively difficult ending. My 55k before my current PB was actually done this way with a lesser ending. I have even had 54ks result from runs that looked closer to 58/59k pace - but with a terrible ending, and I don't doubt that any top player has these runs. My tip is to believe in yourself, I'm sure that you can gain a lot of points here, it just requires getting through a bottleneck of 'luck'!