The Weather Network can be a very useful website, but that’s mostly true when the weather is bad. So when the company began collaborating with the Hearst-owned puzzle platform Puzzmo, it had a specific goal: to get people coming to the site even when it’s nice out. “Why would you check the weather on a sunny day?” veteran game designer Zach Gage remembers asking himself. Eventually, the Puzzmo team came up with an answer in the form of Weather Memoku, an e...