Please, add achievements.

Got to step 4 and i cant select the pieces and i cant get it restarted. Im on windows 10 with a dell lenovo. how can i restart it or get it selecting again?

Since it's randomly generated, I wondered if some setups are simply unsolvable, as I'm pretty stumped on one right now.

I've found a glitch when mashing the undo button with the intent of returning to the original state. Nodes can disappear or not return to their original color. This may just be a draw issue. The second time this happened to me, I exited fullscreen then went back to fullscreen, and the node returned to its expected state....