Keeps crashing for me when I click the first thing that looks like a sideways C, or maybe a U with weird serifs. Is it the first? I can't find any others. On the screen you get taken to if you idle on the main menu for too long. macOS 10.12.6.
EDIT: Also crashes if I click the horizontal line on the main menu. The one further back doesn't seem to do anything. I'm not sure what I'm supposed to be doing. Is this meta?
EDIT: I got to a screen where I could link spaces(?) together with a yellow line. The game crashed again when I linked the starting-point cube to the ending-point cube.