Oh yeah, there's definitely a broad solution space to the game, it's part of what makes it so cool to me. Like, if you think about it, it's a pretty tough design balance to strike: if you make there be *too* many approaches that work, then you eventually reach a point where pretty much anything does, and you're back to there not being any challenge at all. This definitely avoids that, very much making you have to think about your approach, while still allowing for several diverse approaches to end up working.One important difference from what it sounds like you're describing is that SKA doesn't have the single/correct solutions that puzzle games do. There are different effective builds and different ways to take down the various enemies in the game, even if sometimes when you beat an enemy it will feel like you found the only way to do it.
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On a totally unrelated note: long shot, but does anyone happen to know if there's a 'boss' (as counted by the score calculator) in game that is more commonly missed? I'm coming up at the end of a playthrough where I've tried to be super thorough, and by my calculation am going to be two short. One I can see in my Compendium: Lorraine, which I assume is only fought on a more corrupt / Roland-aligned path. The other isn't even in my Compendium at all, though, unless I somehow missed it while looking through a couple times, and I've got no idea where there could be a monster that I've just missed coming across entirely.
Not a super big deal, obviously, but does make me curious enough to ask if there's maybe some common community knowledge like "oh yeah, folk always tend to miss so-and-so, since they're tucked away in this hidden corner".