First, it would be great if you could share some feedback regarding the Speed-runner level. Did you understand what was going on?
In the next few days I'l be releasing an update with an improved version. In this update there will be line around the building blocks you have to connect. The idea is to make it clear which houses you are connecting and which ones you already connected.
As you can see in the bottom left of the GIF, you'll also be able to preview the increase of consumption by connecting a certain building, making it easier to expand.
Let me hear from you!