This is a really cool game. It's easy to understand and do what you need to do. I do wish you could click anywhere on the blocks to move them and not just the gray bar at the top, but that's a minor thing. I found this enjoyable, and I didn't mind the fact that I had to wait for the file to come back. I did however get stuck, I put a Block in the wrong place and ended up not being able to move it as the file was hitting it so much that it never cooled down so I had to restart that level. With some polish that would be truly great