One-click crafting from all component chains would be too much, but could you provide some way to quickly move up and down the chains? Even a 'back' button would be helpful, or the ability to put parts into an upgrade without having all of them, so that it is easier to figure out how many screws are needed to finish.
So, about a third of the puzzles are logically solved- the bucket, the fish, and the goat. Everything else is almost Roberta Williams quality material.
Memory, perception, and speed are all heavily biased towards gamers vs. everybody else. It seems like accuracy is biased against people with high resolutions- It's a lot easier to find the center pixel when it is 24 times larger.
The zombies have discovered love?... SHUT DOWN THE PORTS.