@toffee Can't imagine a puzzle platformer that doesn't rely on some kind of gimmick, but if you're looking for inspiration, check out:
La-Mulana, no single gimmick, just combat-focused with a huge variety on puzzles.
Solomon's Key, block-creation/destruction ability, arcade-y with lots of enemies to figure out how to route around.
Wow! It's been several months since I've updated my #inkyDays gallery. Well, I spent some time today formatting the data, and updating it. All drawings, up until this current week are now in the gallery: http://kristinhenry.github.io/inkyDaysGallery.html
vis.social is an open social platform for creative people, especially anyone in sciArt, data, visualization, creative coding, and related arts and research. English is the common language of the instance.