Congrats, developer(s). This is one of my favorites from this year's GMTK jam. It was very inspiring to play this one.
Design [5/5]: What a cool idea! It's basically an ice-block puzzle where you can only move in one direction at a time. However, you can't see the entire level at once. The visual effects really sell the idea and it ties everything together.
My favorite thing about this game is that it requires you to make decisions on incomplete information, but doesn't rely on randomness to accomplish this feat. You can acquire all the information you need by expanding and contracting the level in the right way, and solving the puzzle is often about trying to keep a map of the area in your head and reconciling that mental picture with the limited view you have on the screen. My only complaint is that there isn't more content, but that's to be expected from a 48-hour game jam game. You've done a great job with the design, and the content that is there is engaging and well-thought-out. Designing the levels for this game must have been a treat, and I think this is the sort of game that would be great with a level-editor for community involvement. I'm also glad that you're not just sticking to one mechanic, either. I noticed the teaser for the "one-way" gates at the final screen, and I think it's cool that you're continuing to expand on the original concept in interesting ways that add things.
Adherence to the Theme [5/5]: As advertised, each level only occupies a single screen. The camera doesn't move.
Originality [5/5]: I have never seen a mechanic like this before in a puzzle game. It's a unique idea, and it's fresh and exciting.
Well done! Please continue making games. I'd love to see what you come up with next.