An adorable art style really carries this game - from the character rigs themselves, to the slimes, to the game over screen. All of it has such personality! In game I love the growth/decrease of their bellies while carrying the slimes, and the little internal view that shows which ones you've picked up.
It does feel a little punishing to lose outright picking up too many black slimes when the time limit is so long - it also took me a bit of finagling to figure out the controls, which is a bit of a pain in a timed game. One look at the purple cat slime was enough to convince me to give it another go though - I will be adopting one of those.