I adore puzzle games! And this one really stands out.
The jibblets are looking cute, andit is lovely you put also different faces! The difficulty of the puzzles is well paced, the music is funny and fitting the overall game. For the art style I'd personally liek it more if there is more "consistency". Jibblets look cartoony due to the outline, while surrounding is without. This is just a very minor though! The overall art style is integrated well and feels very polished, especially when it comes to making something visible for the player (like jibblets behind a wall or similar)
Game play is also very fun, although some collisions seemed a bit off I expected multiply times to fall down but stayed in air (?) I don't know whether this is sometimes intedended, but for the spikes it seemed like falling > crushing... :D
I like the resetting option and also animation that comes with it, while making the mess still visible. This is a great touch!
Suggestion for future games (maybe I missed it also): Make all levels available from start. Some people tend to rush through games. Getting stuck within a level can lead to frustration. Getting stuck and not being able to skip to the next level can lead to quitting the game. For a jam game it would be nice being able to play everything without 'unlocking' sometimes.
The game itself fits the theme very well, no complains. It's an obvious yet unique interpretation and a great game overall!