@InazumaRaijin: No, you have to take no damage at all. I've survived a wave with full health and failed to get a perfect, while I've went in to battle with my health below full, had it not change at all, and still managed a perfect.
It's funny. Everyone brags about the Gravity Gun, but I just got around to using one and it probably has the longest reload time in the game. Yes, the gun has a reload time, don't let anyone else tell you different.
If you're complaining that it's too hard, you're either using shotguns or putting too much money into your castle. Noa really needs to tone down the upkeep cost, because as it stands, the only things worth buying at the castle are the house and a few extra storage slots. Everything else just drains your money too fast for too little gain.
Congratulations! You just won the Feat Franatic Badge and 30 points! Just scrape, scrape, scrape. Milk bosses that you can easily dodge for more tension. Shoot them occasionally, or you'll find yourself scraping for no tension build-up. If you get hit, don't worry -- all that matters is that you got up to 100x, not that you ended with it.
Of course, I'm preaching to the choir by saying that. Some people just can't think creatively enough to understand a game like this. It doesn't help that, as I said, the hints are horribly obtuse.
You do not need to post +*ANYTHING*+ as a comment to this game in order to complete it. It cannot read the comments. Try something else. The password to "First!" can be found if you look everywhere but the game. Like under the game, where it's pointing.
The hints are extremely obtuse (Yes, read this! No, not really, just yanking your chain. Read something else entirely.) and require not just thinking outside the box, but in some cases, ignoring the box exists entirely. The difficulty of each "enigma" jumped wildly from ridiculously easy to brain-busting. I will admit, though, the solutions to 21 and 22 were interesting. Still, all this for a crappy YouTube video?
A 1M cumulative chain is still a rather unreasonable goal. Even if I multiplied my current chain count by 5, I still wouldn't have broken 200,000 on a Hunter, and I've already cleared the game -- I only have the bonus stage left to go.
 "Elona Shooter"){kind=icon}
 "Level"){kind=icon}
 "Time Kufc"){kind=icon}
 "Pixelvader"){kind=icon}
 "SkyFyre"){kind=icon}
 "Frantic 2"){kind=icon}
 "Take Something Literally"){kind=icon}