Infinos Gaiden (外伝) - Hard 1CC [501,800]

2 hours to clear this. I did some practice with challenge mode to remember some of the trickier parts, but the final stage was completely blind, it's a miracle I beat it, because the final boss went absolutely terribly. Not that the rest of the run wasn't scuffed beyond belief, I still don't how to deal best with the Stage 5 Boss.
Much like in Andro Dunos 2, the difficulty indicator are the ten digits in the score, 00 is Easy, 10 is Normal, 20 is Hard. Not sure why they don't have a text in the top right or bottom left for that, but whatever, not gonna add the 20 to the score.
Buy the game here:
store.steampow...