Why is the soundtrack only available as part of a "must purchase together" bundle? It seems to be impossible to buy the soundtrack if the game is already in our library.

I find myself doing relatively well and getting to the final boss consistently, but I die at the final boss because I have very little HP left after fighting your doppleganger and the 3 repeated floors before the final boss. Any tips?

This is going to sound a little silly, but I've lost my 100% save file. Would anyone be willing to lend me theirs?

that's all really, i'm just excited for the sequel :)

I've been playing a bunch recently. I've beaten the game a few times now, and done some other late-game stuff (and come close and failed a bunch more times), but lost track of which endgame things I've done. Sorry for the blast, but: You can only upgrade each weapon once per run, right? So, once you've got, say, Revolver, no way to get Musket. And no way to get all three materials. And if you pick up a super-wep before upgrading .. no upgrading melee. Right? In the Necronomicon, I'm missing the bo...