Nah, you can do it. That's what I though at first. Getting to the floor 2 boss used to be a "good run". But now I'm disappointed in myself if I don't make it to floor 4 (and I haven't even beaten the game yet). Also, things feel fast now, but once you understand the enemies more, things won't feel like they're moving so fast. These are the kinds of games that you just get better and better at every time you play. Not only because you're getting better as a player (which you will, of course), but also because the game is constantly unlocking newer and better items to use, constantly unlocking new ways to get items (via various npcs and extra challenges, not just via chests), meaning more items per run, and constantly rewarding your knowledge as well, sometimes even more than your raw skill. For instance, knowing when to not use keys, or simply having more experience with more items so you know which ones to not waste money on. So many little things like that, completely independent of raw bullet hell skill, can contribute quite strongly to whether or not you have a good run.