To elaborate on 4 swords being completely different, like, screenshots will make it look like it's similar gameplay to LttP, because a lot of the same tropes appear, but it's way different. You tend to encounter hordes of small weak enemies that you are required to clear to move, instead of a few tough enemies that challenge you to decide whether clearing them is a better alternative to evading them. The puzzles are trivial, to the point of being a form of going through the motions that should have been excluded from the experimental game entirely. (I feel like the combat was decent at what it was trying to be, they could have stuck with that and expanded on it. If you picked your favorite item and wielded it to kill the small, weak enemies a little faster than your teammates, at the end of the level you got a little sticker that said "a winner is you".
The game is 100% linear.
Afaik, it holds the first appearance of the trope of touching grass with the fire rod actually burning away the environment around you, as repeated in BotW, so that's kinda cool.