My wife and I have been playing this game every day for the past few weeks or so. Some of the daily levels are incredibly satisfying.

We have very different ways of approaching the harder problems; some of the clues are easier for someone with a formal CS/engineering background, but others just require a better memory of the different constraints, and she's much better at building a tagging system around those constraints.

Previously launched here: https://news.ycombinator.com/item?id=43923843