... got it. Played a bit. Currently cheating like a mofo because because. One thing I've definitely noticed. Game needs some kind of indication when one of your critters get ganked like goddamn. Goddamn goddamn. Sound, some kind of message on the top scroll thing. A blink or flash or just about zogging anything other than a quiet move over on the side of the screen you're probably paying jack-all attention to.
Also kinda' have trouble figuring out why the hell there isn't one, because it took probably less than an hour to find it incredibly glaring that the game could use it.
Though checking the steam discussion it looks like it's planned for the next version, so there's that.
E: As for the tile refreshing thing, I'm not sure if it's actually a thing or just the impression, but it feels a lot like moving tiles around -- particularly dropping them levels, and particularly without actually making matches -- really jacks up the generation rate. Can get honestly kinda' frustrating when you're trying to clear Z-space for a new room and the freaking tiles won't stop falling from the heavens.
E2: It should probably be noted that, despite cheating a fair bit (infinite resources, basically), I'm still kinda' getting my ass kicked.
Also apparently you can lose by just having too much shit in your sanctum. Seems these heroes party hard enough to mosh down twenty+ stories worth of buried dungeon.