This game is full of those little moments that make you express an "ooooh" of delight.
The game is Four Sided Fantasy, a platformer currently happily chipping away at a $35,000 (£20,965) funding goal on Kickstarter. It's not doing all that well, which really sucks, 'cause the game looks pretty good, aesthetics- and gameplay-wise. Here:
The campaign page has a free prototype you can try, along with some really pretty GIFs.