The level selection always opens at the top. This is very inconvenient.

First of all, thanks for providing a demo! Here are two things I noticed in the demo which might bug not just me but also other players, and that could be fixed for relatively little effort: 1) No pure keyboard controls: In sokoban-style games, I'm used to being able to play entirely on the keyboard. Requiring mouse input feels jarring and, at least based on the first 5-ish levels, where it's only used for connecting to adjacent ice cubes, unnecessary. One simple keyboard control scheme for connecting to...