There is a category of website that looks simple from the outside and is surprisingly interesting to build: the daily puzzle site. Wordle is the obvious example. New York Times bought it for a reported seven figures. But the concept - one puzzle per day, resets at midnight, shareable result - is something any developer can build. I built DailyBrainHub - https://dailybrainhub.com - with six games running on this exact model and the technical decisions were more interesting than I expected. ...