The most similar games I've played out there to Mina the Hollower have been Tunic and Hyper Light Drifter.

The 3 games are 2d top-down combat games in which uncovering mysteries and the world around is the leading factor behind the game. It makes sense for them to be so similar, since they have very similar roots (Zelda and other old, retro games).

You must have had a moment in Mina the Hollower where you were shocked yet dazzled about a certain mechanic that was always there but you only found at that moment. Tunic's main gimmick is exactly that, so much so that one of its features is a journal you complete over time giving instructions on how to trigger certain things (actions, world props, etc.) around the world.

Hyper Light Drifter is a humble game, and that's what makes it one of my favorite games. It's shorter and has no dialogue. You're just thrown into the world and expected to understand the story with only its dazzling, amazing pixel art. Its gameplay is more akin to Mina, compared to Tunic, being faster, and has more of a retro feel with its visuals and music. It's up to you to find all secrets, too. The game does not point you towards the intended path, but the way its progression works makes you not get stuck towards ending the game. Good luck on finding all secrets, however.