Well I really really liked it! It was engaging without being too difficult, I was getting better at it with time and it had a nice tension moment when melting the ice as the water level rose. Only complaint is that the delay between ice cubes is a bit long when the container is big. Also, an in-game text saying "right-click to melt" would've been nice!
Otherwise great little game with the perfect scope for a jam. Also, in terms of visuals, I think less would've been more for this type of game, the 3D and ice texture was a bit much.