Awesome game. I liked that there were NOT any roguelite elements (at least one progression element that persists after failure). Keep the roguelite out, IMO.
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Haven't heard of meta-progression. From what I found on google (https://www.reddit.com/r/gamedesign/comments/10acmtw/what_is_metaprogression_in_...), forms of meta-progression are great since they can include learning a game and getting better at it purely through skill.