This game has a lot of interesting parts, but the main issue with the game is unnecessary padding.
The main problem with using the rotating junctions is that a lot of them can be solved without looking at the rest of the level in context. If you have a straight wire and a rotating straight junction, then there's no puzzle there, just more clicking. Level 23 really seriously has this problem. It uses the nested circuits, but three of them are completely identical and trivial.
The nested circuits are definitely useful for chunking complicated levels into separately solvable pieces, but often it feels like this mechanic is used unnecessarily. A handful of levels have the first layer just be a straight wire leading into a nested circuit, with nothing to do on that outer layer. The most interesting use of this mechanic is definitely the smaller circuits that have multiple outputs, which at least makes you question which output you want to use, and which outputs even *can* be used.
The AND gates definitely feel like a natural mechanic to use, and it lets you impose a lot more constraints in a single level, good.
The number button module, the "lights out" module, and the sliding wires module are somewhat interesting, but they feel very separate from the rest of the game. If they were more varied or were one-off mechanics, then you have to do some experimenting to figure out how they work. But when you figure out how they work, they're pretty trivial. If each of these was a one-off and there were more different "weird" modules, then I think this mechanic would have worked a bit better.
The colored terminals also feel like a natural extension to the game, they're definitely useful for more compactly representing more complicated circuits. But it felt like a lot of the time they were used just to make levels more complicated or difficult to follow, or even worse, to simply *look* more difficult. Several levels had a color that was only used on a single terminal, which immediately indicates it's a dead end, this definitely felt like filler.
The colored wires were definitely the highlight of the game for me. Figuring out the goal state of the puzzle was much like the normal wire junction puzzles, but with additional constraints. Even when there were unnecessary pieces, they still played a role in being obstacles that you had to figure out how to keep out of your way, which led to some neat interactions. The fact that you can only rotate pieces in one direction was used well, but it led to a lot of unsolvable states, forcing a reset. Having an undo option as well feels like it would have been a nice quality of life addition. But this is definitely the strongest mechanic in the game.
One other nice detail was the addition of intentionally unsolvable paths. There were a few levels that boiled down to "which one of these two paths is solvable?" and I feel like that is a mechanic not used by many games, so I always like to see it. This was made especially interesting by the colored wire puzzles, where it's really not immediately clear if there is a solution, and if there is, it's not immediately clear whether or not it's reachable.
So overall, I'd say this isn't a bad game, it just feels like most of it was repetitive filler. It definitely had some good mechanics, but they were obscured by repetition of puzzles from previous levels or completely trivial segments that were there just to make the level look more complicated. I would have enjoyed it much more if it cut out the unnecessary levels and replaced them with ones that played off the strengths of the game and built more into the interesting potential of the colored wires and the unique modules.
